Synergy Connection

Hexproof, indestructible
Rally: Whenever Synergy Connection of another Ally creature enters the battlefield, put a +1/+1 counter on target creature.
Cohort: {t}, Tap an untapped Ally you control: Put a +1/+1 counter on up to two target creatures.
Whenever you cast a spell that would give target creature +X/+X until end of turn, another target creature gets +X/+X until end of turn.
Come. Fight with me.