Artista: UDON

Attacking creatures you control get +1/+0.

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 converted mana cost as that spell.

At the beginning of your upkeep, you may put a +1/+1 counter on target creature you control.
At the beginning of your upkeep, you may put a charge counter on target permanent you control.

Whenever you cast a spell, you gain 2 life.

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.

Whenever you cast a spell, you gain 2 life.

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

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

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

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

Creatures you control have haste.
At the beginning of your upkeep, return a creature you control to its owner’s hand.

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

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

At the beginning of your upkeep, look at the top card of your library. You may put that card into your graveyard.

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

You may play any colored card from your hand as a copy of a basic land card chosen at random that can produce mana of one of the card’s colors.

Whenever a creature you control deals combat damage to a player, you may pay . If you do, create a 5/5 red Dragon creature token with flying.

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

: Target creature you control gets +1/+1 until end of turn.

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

: Choose a creature type. Until end of turn, creatures you control of the chosen type have base power and toughness X/X and gain all creature types.

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

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

, Discard a card: Create a token that’s a copy of a creature card with converted mana cost X chosen at random. Activate this ability only any time you could cast a sorcery and only once each turn.

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 converted mana cost is less than that spell’s converted mana cost. You may play that card without paying its mana cost. If you don’t, put that card on the bottom of your library.