MewTwo, The Fallen God

Haste Menace Flying

Psychic Absorption-Whenever you cast an instant or sorcery, MewTwo the Fallen God gets +2/+0 for each instant or sorcery you have cast this turn.

Psypunch-At the beginning of your end step, if you cast three or more instant and/or sorcery spells, Mewtwo the fallen god deals damage equal to it's power to target creature or player.