Grendine, Eternal Hope

Flying, trample, hexproof, indestructible, double strike, haste, vigilance
Grendine, Eternal Hope enters the battlefield
with a gold counter.
Other creatures you control with a gold counter
on them get +1/+1 and have indestructible,
double strike, and Strike 1. (Whenever a creature
with Strike 1 attacks or blocks, its controller puts a
gold counter on a creature they control.)