Megalon

{2} gains Flying until end of turn.
{2} deals 1 energy damage to target permanent.
{4} deals 3 grenade damage to target permanent.
{t}{4} Burrowing: gains shroud and does not untap during your next untap phase. When Megalon
untaps it cannot be blocked by non-flying
creatures until end of turn.

"Now you see me, now you don't..."