ancient slither wing pokemon card - Scarlet & Violet - Paradox Rift - - 107/182 Your opponents Active Pokémon is now Burned Slither Wing - 203/182 -

Arabian Nights is actually quite good at this

Play Archfiend of the Dross, then use Metamorphic Alteration on one of your opponent's creatures, and hey presto: they lose the game next turn

Smoke Free, Penny Sleeved and Top Loaded

By paying two generic mana and one blue, you can have it enter the battlefield with just the Mirror Room door unlocked , and so, when it enters, you can make a Reflection token copy of any target creature you control

Anytime a player reduces their opponents active Pokmon to zero health points that card must be discarded, with the attacking player receiving one of their opponents prize cards