Miquella's Haligtree

{w/b}{b/r}, exile Miquella's Haligrtee from your hand:
You get an emblem with "Whenever one or more
creatures you control deal combat damage to a
player, choose one: Proliferate or you gain 1 life."

Miquella's Haligtree enters the battlefield tapped.

{t}: Add {r}, {w}, or {b}.