Kalkesh, Seasoned Keeper

Whenever Kalkesh or another nontoken creature enters the battlefield under your control, create a
0/1 green Egg creature token with Defender.
Sacrifice an Egg: Target player gains 3 life.
Eggs you control have Hexproof, Indestructible,
and, "{2},{t} Sacrifice this creature: Create a 4/4
colorless Dragon Spirit creature token with
Flying."