pokemon magearna card Amazon.com: - Magearna-EX (110/114) - XY Steam Siege Metal Prismatic Wave (20×) This attack does 20 damage times the number of different types of Pokémon on your opponents Bench Magearna - 107/159 - Pokemon

(They each put the top card of their library into their graveyard.) Legendary Creature - Human Knight Commander (CTRL to add secondary) Creature Creature (CTRL to add secondary) Discard Discard (CTRL to add secondary) Drain Marionette Apprentice Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.) Whenever another creature or artifact you control is put into a graveyard from the battlefield, each opponent loses 1 life

Enough effects that do a damage to everyone or every opponent, like End the Festivities and Creeping Bloodsucker, and your 1-drop 1/1s enter as 4/4s

What makes them so good

You can make him bright yellow like in the show or create your own colourful version

But the most busted aspect is that all this comes from a colorless card, so it can be leveraged by any deck with a handful of cheap creatures