As Door of Destinies enters the battlefield, choose a creature type. Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies. Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.

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.)

Trample When Galloping Lizrog enters the battlefield, you may remove any number of +1/+1 counters from among creatures you control. If you do, put twice that many +1/+1 counters on Galloping Lizrog.

As Metallic Mimic enters the battlefield, choose a creature type. Metallic Mimic is the chosen type in addition to its other types. Each other creature you control of the chosen type enters the battlefield with an additional +1/+1 counter on it.

{2}{G}: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.) Each creature you control with a +1/+1 counter on it has trample.

Protection from black At the beginning of your upkeep, sacrifice Anurid Scavenger unless you put a card from your graveyard on the bottom of your library.

Reach (This creature can block creatures with flying.) {1}{G}: Anurid Swarmsnapper can block an additional creature this turn.

Flash When Burrog Befuddler enters the battlefield, target creature an opponent controls gets -1/-0 until end of turn.

Whenever Chub Toad blocks or becomes blocked, it gets +2/+2 until end of turn.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Leapfrog has flying as long as you've cast an instant or sorcery spell this turn.

Reach {T}: Add one mana of any color. {2}: Poison Dart Frog gains deathtouch until end of turn.

{3}{U}: Steeple Creeper gains flying until end of turn.

{U}: Whiptongue Frog gains flying until end of turn.

When Excavating Anurid enters the battlefield, you may sacrifice a land. If you do, draw a card. Threshold — As long as seven or more cards are in your graveyard, Excavating Anurid gets +1/+1 and has vigilance.

Enchant creature When Frog Tongue enters the battlefield, draw a card. Enchanted creature has reach. (It can block creatures with flying.)

Whenever a Frog you control attacks, mill three cards. Whenever a permanent card is put into your graveyard from your library, exile it with a croak counter on it. You may play lands and cast spells from among cards you own in exile with croak counters on them.

As Icon of Ancestry enters the battlefield, choose a creature type. Creatures you control of the chosen type get +1/+1. {3}, {T}: Look at the top three cards of your library. You may reveal a creature card of the chosen type from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Choose a creature type. Reveal cards from the top of your library until you reveal X creature cards of the chosen type, where X is the number of creatures you control of that type. Put those cards onto the battlefield, then shuffle the rest of the revealed cards into your library.

Flying When Mulldrifter enters the battlefield, draw two cards. Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

When Papercraft Decoy leaves the battlefield, you may pay {2}. If you do, draw a card.

Deathtouch At the beginning of your upkeep, sacrifice The Gitrog Monster unless you sacrifice a land. You may play an additional land on each of your turns. Whenever one or more land cards are put into your graveyard from anywhere, draw a card.

Menace (This creature can't be blocked except by two or more creatures.) {2}{B}, Exile Unwilling Ingredient from your graveyard: You draw a card and you lose 1 life.

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

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add {C}. {G/U}, {T}: Add {G}{G}, {G}{U}, or {U}{U}.

({T}: Add {G}.)

Golgari Rot Farm enters the battlefield tapped. When Golgari Rot Farm enters the battlefield, return a land you control to its owner's hand. {T}: Add {B}{G}.

({T}: Add {U}.)

Opulent Palace enters the battlefield tapped. {T}: Add {B}, {G}, or {U}.

Path of Ancestry enters the battlefield tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

({T}: Add {W}.)

Simic Growth Chamber enters the battlefield tapped. When Simic Growth Chamber enters the battlefield, return a land you control to its owner's hand. {T}: Add {G}{U}.

({T}: Add {B}.)

({T}: Add {G} or {U}.) Tangled Islet enters the battlefield tapped.

You may mill three cards. Then return up to one creature card and up to one land card from your graveyard to your hand. (To mill a card, put the top card of your library into your graveyard.)

Target player mills five cards.

Target player mills half their library, rounded down.

Protection from blue Cycling {2} ({2}, Discard this card: Draw a card.)

As Etchings of the Chosen enters the battlefield, choose a creature type. Creatures you control of the chosen type get +1/+1. {1}, Sacrifice a creature of the chosen type: Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Flash (You may cast this spell any time you could cast an instant.) When Haze Frog enters the battlefield, prevent all combat damage that other creatures would deal this turn.

Sacrifice Spore Frog: Prevent all combat damage that would be dealt this turn.

You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells you cast.

Draw a card. You may put a land card from your hand onto the battlefield.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Choose a creature type. Creatures that aren't of the chosen type get -3/-3 until end of turn.

Trample, haste Whenever Froghemoth deals combat damage to a player, exile up to that many target cards from their graveyard. Put a +1/+1 counter on Froghemoth for each creature card exiled this way. You gain 1 life for each noncreature card exiled this way.

Enchant creature Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1. (It loses all other card types and creature types.)

Enchant creature Enchanted creature loses all abilities and has base power and toughness 1/1.

Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4.

{T}: Target creature becomes a Frog with base power and toughness 3/3 until end of turn.

Until end of turn, each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1.

Destroy target artifact or creature. It can't be regenerated.

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