This creature enters with X +1/+1 counters on it.

Enchant creature
Enchanted creature can't attack.
Threshold — Enchanted creature can't block as long as there are seven or more cards in your graveyard.

, , Sacrifice this creature: Destroy target enchantment.

Discard a card: This creature gets +0/+4 until end of turn.

Shuffle any number of target creature cards from your graveyard into your library.

Search target player's library for a card and exile it. Then that player shuffles.

Whenever this creature deals combat damage to a player, you may have this creature deal 1 damage to target creature that player controls.

Discard any number of cards at random. Creatures you control get +1/+0 until end of turn for each card discarded this way.

Change the target of target spell with a single target unless that spell's controller pays .

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

Counter target spell unless its controller pays . If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Target player discards a card.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flying
Your maximum hand size is reduced by two.

Each player sacrifices an enchantment of their choice.

Enchant creature
Enchanted creature has trample.

Shroud (This creature can't be the target of spells or abilities.)
Threshold — This creature gets +2/+2 as long as there are seven or more cards in your graveyard.

Firebolt deals 2 damage to any target.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target creature gets +3/+0 and gains haste until end of turn.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

Whenever this creature deals combat damage to a player, you may exile target card from that player's graveyard.

If you would draw a card, you may skip that draw instead.

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

Create a 1/1 green Squirrel creature token.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Discard any number of cards. Creatures you control get +0/+1 until end of turn for each card discarded this way.

, : Target permanent you control gains protection from instant spells and from sorcery spells until end of turn.

, , Sacrifice this artifact: Add . Draw a card.

: The next time an instant or sorcery spell would deal damage to you this turn, that spell deals that damage to its controller instead.

Each player may search their library for up to X basic land cards and put them onto the battlefield tapped. Then each player who searched their library this way shuffles.

Engulfing Flames deals 1 damage to target creature. It can't be regenerated this turn.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Draw two cards, then discard two cards.

Exile target card from a graveyard.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

: This enchantment becomes an X/X Wall creature with defender in addition to its other types until end of turn.

Destroy target nonblack creature if its toughness is less than or equal to the number of cards in your graveyard.

, , Sacrifice this artifact: Add . Draw a card.

As an additional cost to cast this spell, exile X cards from your graveyard.
You draw X cards and you lose X life.