Grappler Wurm

Flying, Hexproof, Menace, Defender
When this creature enters the battlefield tap X target creatures an opponent controls. For as long
as Grappler Wurm is on the battlefield those creatures are not untapped during their
controllers next untap step. At the beginning of
your first main phase put a -1/-1 counter on
Grappler Wurm
Grappler Wurms toughness is equal to X