Experiment One [Gatecrash] Merfolk Performer Heroic — Whenever you cast

Heroic — Whenever you cast a spell that targets Battlefield Thaumaturge

Set: Commander 2021 Type: Instant Rarity: Rare Cost: {2}{W} The owner of target nonland permanent shuffles it into their library

Set: Hour of Devastation Type: Sorcery Rarity: Rare Cost: {3}{W}{W}{W} This spell costs {3} less to cast if there are ten or more nonland permanents on the battlefield

Set: Conspiracy Type: Sorcery Rarity: Common Cost: {2}{U} Target player draws three cards

Set: Eighth Edition Type: Artifact Rarity: Rare Cost: {5} Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it

Experiment One [Gatecrash] Merfolk Performer Heroic — Whenever you castSet: Gatecrash Type: Creature Human Ooze Rarity: Uncommon Cost: {G} Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1 +1 counter on this creature.) Remove two +1 +1 counters from Experiment One: Regenerate Experiment One.