Malphite

Defender, Absorb 1 (If a source would deal damage
to this creature, prevent 1 of that damage.)
Landfall - Whenever a land enters the battlefield
under your control, place a Stun Counter on
target creature an opponent controls.
Limit Break (Transform me when conditions are met.
I keep all counters when flipped.) You control a
combined total of 10+ Forests and Mountains at
the end of turn.