All creatures able to block Breaker of Armies do so.

For each creature target player controls, create a token that's a copy of that creature.

Magecraft — Whenever you cast or copy an instant or sorcery spell, put a +1/+1 counter on Dragonsguard Elite. {4}{G}{G}: Double the number of +1/+1 counters on Dragonsguard Elite.

Search your library for up to three monocolored cards with different names and exile them. An opponent chooses one of those cards. Shuffle that card into your library. You may cast the other cards without paying their mana costs. Exile Emergent Ultimatum.

Heroes' Bane enters the battlefield with four +1/+1 counters on it. {2}{G}{G}: Put X +1/+1 counters on Heroes' Bane, where X is its power.

Hungering Hydra enters the battlefield with X +1/+1 counters on it. Hungering Hydra can't be blocked by more than one creature. Whenever Hungering Hydra is dealt damage, put that many +1/+1 counters on it. (It must survive the damage to get the counters.)

{X}{X}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When Hydra Broodmaster becomes monstrous, create X X/X green Hydra creature tokens.

Enchant creature When Hydra's Growth enters the battlefield, put a +1/+1 counter on enchanted creature. At the beginning of your upkeep, double the number of +1/+1 counters on enchanted creature.

If a creature would deal combat damage to Ironscale Hydra, prevent that damage and put a +1/+1 counter on Ironscale Hydra.

Whenever you draw a card, put a +1/+1 counter on Lorescale Coatl.

Trample Whenever a player casts a spell, put a +1/+1 counter on Managorger Hydra.

Whenever Marit Lage's Slumber or another snow permanent enters the battlefield under your control, scry 1. At the beginning of your upkeep, if you control ten or more snow permanents, sacrifice Marit Lage's Slumber. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

{X}{X}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When Polukranos, World Eater becomes monstrous, it deals X damage divided as you choose among any number of target creatures your opponents control. Each of those creatures deals damage equal to its power to Polukranos.

At the beginning of your upkeep, draw a card if you control the creature with the greatest toughness or tied for the greatest toughness.

At the beginning of your upkeep, if you control a creature with power 4 or greater, draw a card.

Vigilance {5}{G}, {T}: Draw a card. This ability costs {1} less to activate for each +1/+1 counter on creatures you control.

Search your library for a card, put that card into your hand, then shuffle.

Draw two cards.

Whenever another creature with power 3 or greater enters the battlefield under your control, you may draw a card.

Draw a card for each different power among creatures you control.

If {U}{B} was spent to cast this spell, search your library for a card, put that card into your graveyard, then shuffle. Return up to two permanent cards from your graveyard to your hand.

At the beginning of your end step, if creatures you control have total power 8 or greater, draw a card.

At the beginning of your upkeep, draw a card if you control a creature with the greatest power among creatures on the battlefield. Otherwise, put a +1/+1 counter on a creature you control.

At the beginning of your upkeep, draw a card if you control the creature with the greatest power or tied for the greatest power.

{T}: Add one mana of any color in your commander's color identity.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Shimmerdrift Vale enters the battlefield tapped. As Shimmerdrift Vale enters the battlefield, choose a color. {T}: Add one mana of the chosen color.

({T}: Add {G}.)

({T}: Add {U}.)

{T}: Add one mana of any color in your commander's color identity.

Enchant artifact or creature As long as enchanted permanent is a creature, it gets +1/+3 and has reach and "{T}: Add {G}{G}." Channel — {1}{G}, Discard Careful Cultivation: Create a 1/1 green Human Monk creature token with "{T}: Add {G}."

Drover of the Mighty gets +2/+2 as long as you control a Dinosaur. {T}: Add one mana of any color.

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Kicker {3}{G} (You may pay an additional {3}{G} as you cast this spell.) Search your library for up to two Forest cards, put them onto the battlefield tapped, then shuffle. If this spell was kicked, untap all Forests put onto the battlefield this way. They become 3/3 green creatures with haste that are still lands.

{T}: Add one mana of any color. If you control a creature with power 4 or greater, add two mana of any one color instead.

{T}: Add one mana of any type that a land you control could produce. If Incubation Druid has a +1/+1 counter on it, add three mana of that type instead. {3}{G}{G}: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

{T}: Add {G}. If you control four or more creatures, add {G}{G} instead.

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. Cycling {2} ({2}, Discard this card: Draw a card.)

Reclusive Taxidermist gets +3/+2 as long as there are four or more creature cards in your graveyard. {T}: Add one mana of any color.

{T}: Add {C}{C}.

Move any number of +1/+1 counters from target creature onto another target creature with the same controller.

All nonsnow creatures get -X/-X until end of turn, where X is the number of snow permanents you control.

Put a +1/+1 counter on target creature you control, then double the number of +1/+1 counters on that creature.

Choose one — • Destroy target artifact. • Destroy target enchantment. • Exile target card from a graveyard.

Target creature you control deals damage equal to its power to each of X target creatures and/or planeswalkers.

Trample Reinforce 2—{1}{G} ({1}{G}, Discard this card: Put two +1/+1 counters on target creature.) Scavenge {5}{G}{G} ({5}{G}{G}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

Distribute four +1/+1 counters among any number of target creatures. Miracle {G} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead.

Reach (This creature can block creatures with flying.) Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Grakmaw, Skyclave Ravager enters the battlefield with three +1/+1 counters on it. Whenever another creature you control dies, if it had a +1/+1 counter on it, put a +1/+1 counter on Grakmaw. When Grakmaw dies, create an X/X black and green Hydra creature token, where X is the number of +1/+1 counters on Grakmaw.

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.) {G}: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Enchant creature Enchanted creature gets +1/+1 and has "{B}: Regenerate this creature."

Flying At the beginning of combat on your turn, you may pay {G}{U}. When you do, put a +1/+1 counter on another target creature you control, and that creature gains flying until end of turn.

Put a +1/+1 counter and a lifelink counter on target creature.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Other creatures you control have trample.

Target creature you control gains vigilance and trample until end of turn. It deals damage equal to its power to target creature you don't control.

As Neverwinter Hydra enters the battlefield, roll X d6. It enters with a number of +1/+1 counters on it equal to the total of those results. Trample Ward {4} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {4}.)

Trample Landfall — Whenever a land enters the battlefield under your control, put a +1/+1 counter on Oran-Rief Hydra. If that land is a Forest, put two +1/+1 counters on Oran-Rief Hydra instead.

When Pridemalkin enters the battlefield, put a +1/+1 counter on target creature you control. Each creature you control with a +1/+1 counter on it has trample. (They can deal excess combat damage to the player or planeswalker they're attacking.)

Enchant creature Enchanted creature gets +2/+0 and has trample. When Rancor is put into a graveyard from the battlefield, return Rancor to its owner's hand.

Trample Whenever Thorn Mammoth or another creature enters the battlefield under your control, Thorn Mammoth fights up to one target creature you don't control.