Regigigas

Regigigas enters the battlefield tapped with 10 stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Golem spells you cast cost {3} less to cast.
Reach, trample, protection from Spirits, absorb 2.
You may exert Regigigas as it attacks. If you do, it
gets +2/+2 for each basic land type among lands
on the battlefield until end of turn. If it deals
combat damage to a player this turn, you gain