Creatures you control have haste. {2}{R}, {T}, Sacrifice a land: Create a 3/3 colorless Golem enchantment artifact creature token.

If you would lose unspent mana, that mana becomes colorless instead.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Apocalypse Hydra enters the battlefield with X +1/+1 counters on it. If X is 5 or more, it enters the battlefield with an additional X +1/+1 counters on it. {1}{R}, Remove a +1/+1 counter from Apocalypse Hydra: It deals 1 damage to any target.

Haste {T}: Add one mana of any color. Spend this mana only to cast a creature spell.

Tap two untapped Elves you control: Add one mana of any color. Morph {G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Flying {T}: Add one mana of any color.

{T}: Add {C}.

When Channeler Initiate enters the battlefield, put three -1/-1 counters on target creature you control. {T}, Remove a -1/-1 counter from Channeler Initiate: Add one mana of any color.

Activated abilities of artifacts can't be activated.

{T}: Add {G}. Put a -1/-1 counter on Devoted Druid: Untap Devoted Druid.

{T}: Add {G}.

Other Elf creatures you control get +1/+1. {T}: Add {G} for each Elf you control.

{T}: Add {G}.

Feral Hydra enters the battlefield with X +1/+1 counters on it. {3}: Put a +1/+1 counter on Feral Hydra. Any player may activate this ability.

{T}: Add {G}.

{T}: Add {G}.

Hangarback Walker enters the battlefield with X +1/+1 counters on it. When Hangarback Walker dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker. {1}, {T}: Put a +1/+1 counter on Hangarback Walker.

Tap three untapped Elves you control: Add {G}{G}{G}.

Vigilance Whenever another Human enters the battlefield under your control, put a +1/+1 counter on Heronblade Elite. {T}: Add X mana of any one color, where X is Heronblade Elite's power.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell.

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.)

Level up {1}{G} ({1}{G}: Put a level counter on this. Level up only as a sorcery.) LEVEL 1-4 1/2 {T}: Add {G}{G}. LEVEL 5+ 1/4 Elves you control have "{T}: Add {G}{G}."

{T}: Add {G} for each creature with power 4 or greater you control. {7}{R}: Leafkin Avenger deals damage equal to its power to target player or planeswalker.

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

{T}: Add {G}.

{T}: Add one mana of any color. {T}: Target land you control becomes a 3/3 Elemental creature with haste until end of turn. It's still a land. Activate only as a sorcery.

{G}, {T}, Discard a card: Create a 1/1 green Elf Druid creature token named Llanowar Elves. It has "{T}: Add {G}."

When Llanowar Visionary enters the battlefield, draw a card. {T}: Add {G}.

Whenever another Elf enters the battlefield under your control, put a +1/+1 counter on Marwyn, the Nurturer. {T}: Add an amount of {G} equal to Marwyn's power.

{T}, Sacrifice a Forest: Add three mana in any combination of {R} and/or {G}.

Flying {T}: Add one mana of any color.

{G}: Add one mana of any color.

As Quirion Elves enters the battlefield, choose a color. {T}: Add {G}. {T}: Add one mana of the chosen color.

Whenever Radha, Heir to Keld attacks, you may add {R}{R}. {T}: Add {G}.

When Rishkar, Peema Renegade enters the battlefield, put a +1/+1 counter on each of up to two target creatures. Each creature you control with a counter on it has "{T}: Add {G}."

{T}: Add three mana of any one color. Spend this mana only to cast creature spells.

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Pay 3 life: Add {R}.

When Veteran Explorer dies, each player may search their library for up to two basic land cards, put them onto the battlefield, then shuffle.

{T}: Add an amount of {G} equal to Viridian Joiner's power.

At the beginning of your upkeep, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

Whenever a creature you control attacks, you may put a quest counter on Beastmaster Ascension. As long as Beastmaster Ascension has seven or more quest counters on it, creatures you control get +5/+5.

Creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

Creatures you control have haste. Sacrifice Fires of Yavimaya: Target creature gets +2/+2 until end of turn.

Shroud (This enchantment can't be the target of spells or abilities.) {X}: Put X tower counters on Helix Pinnacle. At the beginning of your upkeep, if there are 100 or more tower counters on Helix Pinnacle, you win the game.

If Leyline of Abundance is in your opening hand, you may begin the game with it on the battlefield. Whenever you tap a creature for mana, add an additional {G}. {6}{G}{G}: Put a +1/+1 counter on each creature you control.

All creatures have haste.

Prevent all damage that would be dealt to creatures this turn. Creatures you control gain hexproof until end of turn. (They can't be the targets of spells or abilities your opponents control.)

Permanents you control gain hexproof and indestructible until end of turn.

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Target permanent you control gains hexproof and indestructible until end of turn. You gain 2 life. (A permanent with hexproof and indestructible can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)

Untap all creatures you control.

({T}: Add {G}.)

Crackle with Power deals five times X damage to each of up to X targets.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Fanning the Flames deals X damage to any target.

All creatures have haste.