Raging Pyrosaur

When Raging Pyrosaur comes into play under your control, sacrifice two Mountains or bury Raging Pyrosaur.
Whenever Raging Pyrosaur becomes blocked, destroy target basic land and Raging Pyrosaur deals 2 damage to each creature and each player.
{1}{r}: +1/+0 until end of turn.
"Are they supposed to be that big ?"
-Private Velion