The Beast

Haste, Flash, Annihilater 4.
Hates Light:If an opponent without Power would
cast 2 or more spells, or attack with 2 or more creatures, you may cast this card without paying
its mana cost, exile it at the end of the next Phase.
Hole In The Wall: This creature can attack
during any phase, cannot be removed from play
except by its own ability, and cannot be cast
except by its own ability.