fear cards mtg of Immobility then draw a card Fear of, Set Name: Duskmourn:

Exile the tokens at end of combat.) The term "defending player" in the myriad rules (or any other ability of an attacking creature) refers to the player the creature with myriad was attacking at the time it became an attacking creature this combat, or the controller of the planeswalker or the protector of the battle the creature was attacking at the time it became an attacking creature this combat

Bioshift is bad

21 All-In-One Miracle Worker (Deathrite Shaman) The Deathrite Shaman's versatile and varied skill-set made it a card that was practically begging to be banned

The other three effects are a mix of effects that couldn't be done in just one of the colors

And Corpseberry Cultivator, while morbid, also made the mark for me