Dolce, Celestial Puppeteer

Menace
Whenever Dolce attacks you may pay {g/w},
If you do create Geno, a 3/4 legendary creature
token with Flying that is tapped and attacking
with:
Whenever Geno deals combat damage to a player
create X 3/3 Elk creature tokens where X is the
amount of damage Geno dealt.
Sacrifice Geno at the beginning
of the next end step