Eldrikor, Star Devourer

Eldrikor, Star Devourer's power is equal to the
number of cards in exile.
{x}: Place x -1/-1 counters on target creature you
don't control. That creature cannot block this
turn.
Landfall: When a land comes under your control, Eldrikor, Star Devourer gains indestructible and
hexproof until end of turn.