Saitama, One Punch

Shadow, haste, first strike, vigilance, trample,reach, deathtouch,annihilator 100, indestructible, hexproof, protection from everything, this spell can't be countered.
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When this creature enters the battlefield Monstrosity 120, (Put 120 +1/+1 counters on it and it becomes monstrous.).while monstrous this creature is unblockable and unstoppable.
{1}: Serious punch?-monstrosity 100Tillion, While monsterous the excessive damage from this next attack is split between