Whenever you cast a spell, note the first letter of its artist's name. If that letter wasn't already noted, put a +1/+1 counter on Abstract Iguanart.

: Draw a card, then discard a card.

Whenever a permanent that shares an artist with another permanent you control enters the battlefield, untap Artful Looter.

: Target permanent's artist becomes the artist of your choice until end of turn.

As Circle of Protection: Art enters the battlefield, choose an artist.

: The next time a source of your choice with art by the chosen artist would deal damage to you this turn, prevent that damage.

: Return Circle of Protection: Art to its owner's hand.

If you control two or more white permanents that share an artist, you may cast this spell without paying its mana cost.

Exile target enchantment.

: Fascist Art Director gains protection from the artist of your choice until end of turn.

Choose an artist. Tap all untapped permanents with art by that artist or untap all tapped permanents with art by that artist.

: Greater Morphling gains your choice of banding, bushido 1, double strike, fear, flying, first strike, haste, landwalk of your choice, protection from a color of your choice, provoke, rampage 1, shadow, or trample until end of turn.

: Greater Morphling becomes the colors of your choice until end of turn.

: Greater Morphling becomes the creature type of your choice until end of turn.

: Greater Morphling's expansion symbol becomes the symbol of your choice until end of turn.

: Greater Morphling's art becomes by the artist of your choice until end of turn.

: Greater Morphling gets +2/-2 or -2/+2 until end of turn.

: Untap Greater Morphling.

As Ineffable Blessing enters the battlefield, choose an artist.

Whenever a creature with art by the chosen artist enters the battlefield under your control, draw a card.

, : Nin, the Pain Artist deals X damage to target creature. That creature's controller draws X cards.

If you control two or more green permanents that share an artist, you may cast this spell without paying its mana cost.

Exile target artifact.

When Sanguine Brushstroke enters the battlefield, create a Blood token and conjure a card named Blood Artist onto the battlefield.

Whenever you sacrifice a Blood token, each opponent loses 1 life and you gain 1 life.

: Reveal a card in your hand, covering the artist credit. Target opponent guesses the artist. If they guess wrong, create a 1/1 green Squirrel creature token.

Flying

Trapeze Artist enters the battlefield by being flipped from a height of at least one foot (about 0.3 meters). If it lands face down or didn't turn over completely at least once during the flip, return it to its owner's hand.