Lukka, of Ice and Fire

: At any time you may pay 4 mana of any color. If you do, create a 5/4 Tiger Beast token with trample.
+1: Create an emblem that says "Whenever a token enters the battlefield, you may search your library for a card with CMC equal to the tokens power."
-20: Create a 1/1, 2/1, 3/1, 4/1, 5/1, 6/1, and 7/1 Tiger tokens with trample.