Tap an untapped Wizard you control: Counter target spell unless its controller pays .

: This enchantment becomes a 4/3 Centaur creature in addition to its other types until end of turn.

Whenever a player casts a spell, counter that spell unless that player pays , where X is the number of cards in all graveyards with the same name as the spell.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target player can't cast creature spells this turn.
Draw a card.

This creature gets +1/+1 for each other Squirrel on the battlefield.

: Target player draws a card, then discards a card.

, Exile a card from your hand: Return target card from your graveyard to your hand if it shares a card type with the card exiled this way. (Artifact, battle, creature, enchantment, kindred, instant, land, planeswalker, and sorcery are card types.)

Tap all creatures without flying.

Enchant land
Enchanted land has ": Create a 1/1 green Squirrel creature token."

, Sacrifice two lands and this artifact: Destroy target attacking creature.

This creature can't attack or block alone.

: Prevent the next 2 damage that would be dealt to any target this turn.
Threshold — : Prevent the next 4 damage that would be dealt to any target this turn. Activate only if there are seven or more cards in your graveyard.

Protection from black and from red
Threshold — As long as there are seven or more cards in your graveyard, this creature gets +1/+1 and has flying.

All creatures gain menace until end of turn. (They can't be blocked except by two or more creatures.)
Threshold — If there are seven or more cards in your graveyard, creatures can't block this turn.

Target creature gets -1/-1 until end of turn.
Draw a card.

: This creature deals 1 damage to each creature and each player.
Threshold — : This creature deals 3 damage to each creature and each player. Activate only if there are seven or more cards in your graveyard.

Regenerate target creature.
Draw a card.

Whenever Pianna attacks, attacking creatures get +1/+1 until end of turn.

When this creature enters, you may return target enchantment card from your graveyard to your hand.

Trample
Threshold — : Regenerate this creature. Activate only if there are seven or more cards in your graveyard.

Discard any number of cards. Target player reveals their hand, then you choose a nonland card from it for each card discarded this way. That player discards those cards.

Whenever a player casts a spell, that player gains X life, where X is the number of cards in all graveyards with the same name as that spell.

Target player exiles all land cards from their graveyard.

, : Tap target creature.
Threshold — , : Tap two target creatures. Activate only if there are seven or more cards in your graveyard.

Sacrifice a land: This creature gets +1/+1 until end of turn.
Sacrifice an enchantment: This creature gets +1/+1 until end of turn.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

: Destroy target creature token.

Vigilance
Cantivore's power and toughness are each equal to the number of enchantment cards in all graveyards.

Protection from black
, Sacrifice this creature: The next time a black source of your choice would deal damage this turn, prevent that damage.

Whenever a spell or ability an opponent controls destroys a noncreature permanent you control, you may destroy target permanent that opponent controls.

Trample
Terravore's power and toughness are each equal to the number of land cards in all graveyards.

At the beginning of your upkeep, you may put a +1/+1 counter on this creature.
Threshold — As long as there are seven or more cards in your graveyard, this creature has "At the beginning of your upkeep, you may put another +1/+1 counter on this creature."

Sacrifice an artifact: This creature gets +1/+1 until end of turn.
Sacrifice a land: This creature gets +1/+1 until end of turn.

Discard a card: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

, Discard a card: This creature gains flying until end of turn.