The Tarrasque

Suspend 15 — {b}{r}{g}
The Tarrasque can't be countered.
Hexproof, trample
When The Tarrasque enters the battlefield, if
you didn't cast it from exile, you lose the game.
When The Tarrasque enters the battlefield, each player sacrifices all non-legendary permanents
they control. Put a +1/+1 counter on The
Tarrasque for each forest sacrificed this way.