At the beginning of your upkeep, you lose 1 life for each permanent you control.

: Each player returns a permanent they control to its owner's hand unless they pay 2 life.

Whenever a nontoken creature you control dies, target opponent discards a card.

Whenever a creature you control is devoured, create an X/X green Ooze creature token, where X is the devoured creature's power.

At the beginning of the game, you may pay any amount of life.
You can't draw cards.
At the beginning of your draw step, look at the top X cards of your library, where X is the amount of life paid with Maralen of the Mornsong Avatar. Put one of them into your hand, then shuffle.

, Sacrifice a creature: Return target creature card from your graveyard to the battlefield.

: If damage would be dealt to you this turn by a source of your choice, prevent that damage. Stuffy Doll Avatar deals damage to you and target opponent or planeswalker equal to half the damage prevented this way, rounded up. Activate only once each turn.

: Each player may put a land card from their hand onto the battlefield tapped.
: Each player may put a noncreature artifact card from their hand onto the battlefield.
: Each player may put a creature card from their hand onto the battlefield. Activate only as a sorcery.

If you control an artifact, a creature, an enchantment, and a land, you can't lose the game and your opponents can't win the game.

Whenever you cast a non-Sliver creature spell, exile that spell. If you do, create a token that's a copy of a random non-Shapeshifter Sliver creature card with the same mana value as that spell.

: Put a +1/+1 counter on target creature with fewer than X +1/+1 counters on it.

At the beginning of your upkeep, put a land card from your library chosen at random onto the battlefield.

You may pay rather than pay the mana cost for spells that you cast.

: Prevent the next 1 damage that would be dealt to target creature you control this turn.

At the beginning of your upkeep, you draw a card and you lose 1 life.

You begin the game with a 1/1 green Elf creature token on the battlefield. It has ": Add ."

Whenever you cast a creature spell, create a 1/1 green Saproling creature token.

: Ashling the Pilgrim Avatar deals 1 damage to each creature and each player.

Creatures you control have ": Another target creature gets -1/-1 until end of turn. Put a +1/+1 counter on this creature."

The first creature spell you cast each turn costs less to cast.
The first noncreature spell each opponent casts each turn costs more to cast.

Creature spells you cast cost less to cast. This effect reduces only the amount of colored mana you pay.

: Until end of turn, target permanent you control gains protection from a color chosen at random from colors it doesn't have protection from.

Whenever you cast a colored artifact spell for the first time each turn, search your library for a colored artifact card chosen at random whose mana value is less than that spell's mana value. You may play that card without paying its mana cost. If you don't, put that card on the bottom of your library.

Whenever a nontoken creature you control deals combat damage to an opponent, choose a creature card at random from your library, reveal that card, put it into your hand, then shuffle.

You have no maximum hand size.
: Draw three cards. You skip your next turn. Activate only once each turn.

, Discard a card: Copy three instant cards chosen at random. You may cast one of the copies without paying its mana cost.
, Discard a card: Copy three sorcery cards chosen at random. You may cast one of the copies without paying its mana cost. Activate only as a sorcery.

At the beginning of your first main phase, add for each land target opponent controls.

Whenever you cast a creature spell, you may pay . If you do, draw a card.

Whenever a creature you control enters, create a token that's a copy of a random Equipment card with mana value less than that creature's mana value. Attach that Equipment to that creature.

Hellbent — As long as you have no cards in hand, if a source you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.
Hellbent — At the beginning of your end step, if you have no cards in hand, each of your opponents discards a card.

Creatures you control get +0/+1.
Equipped creatures you control get +1/+0 and have first strike.

At the beginning of your upkeep, exchange control of a permanent you control chosen at random and a permanent target opponent controls chosen at random.

, Sacrifice a creature: Destroy target artifact or enchantment. Search your library for a card with the same name as the sacrificed creature, reveal that card, put it into your hand, then shuffle.

, Return a creature you control with mana value X to its owner's hand: Draw a number of cards chosen at random between 0 and X. X can't be 0.

Whenever a creature you control enters, if it was unearthed, it gets +3/+0.
Whenever a creature you control is exiled, if it was unearthed, shuffle that card into its owner's library.

Skip your draw step.
At the beginning of your end step, if it's not the first turn of the game, put a death counter on Necropotence Avatar. You draw X cards and you lose X life, where X is the number of death counters on Necropotence Avatar.