Regal Force [Eventide] Mirrodin that player sacrifices a permanent

that player sacrifices a permanent unless they pay {1}

put a -1/-1 counter on each creature your opponents control

Set: Darksteel Type: Artifact — Equipment Rarity: Uncommon Cost: {1} Equipped creature gets +1/-1

then sacrifices the rest

Regal Force [Eventide] Mirrodin that player sacrifices a permanentSet: Eventide Type: Creature Elemental Rarity: Rare Cost: {4}{G}{G}{G} When Regal Force enters the battlefield, draw a card for each green creature you control. It rarely moves, standing stock still in its clearing. When it does stir, ravens stop their cawing and crickets their chirping. All of nature watches in awed silence.