Llanowar Reborn [Archenemy] SPA Lente espia you may return target creature

you may return target creature to its owner's hand if that creature's power is less than or equal to the number of Warriors your team controls

sacrifice Hecatomb unless you sacrifice four creatures

Then if you have seven or more cards in your graveyard

{W/B}{W/B}{W/B}: Regenerate target creature

except it's a white Zombie Snake Hydra with no mana cost

Llanowar Reborn [Archenemy] SPA Lente espia you may return target creatureSet: Archenemy Type: Land Uncommon Cost: Llanowar Reborn enters the battlefield tapped. {T}: Add {G}. Graft 1 (This land enters the battlefield with a +1 +1 counter on it. Whenever a creature enters the battlefield, you may move a +1 +1 counter from this land onto it.)