Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)Destroy all nonartifact creatures.
This spell costs less to cast for each creature your opponents control.When Primeval Protector enters, put a +1/+1 counter on each other creature you control.
Myojin of Cryptic Dreams enters with an indestructible counter on it if you cast it from your hand.Remove an indestructible counter from Myojin of Cryptic Dreams: Copy target permanent spell you control three times. (The copies become tokens.)
Myojin of Roaring Blades enters with an indestructible counter on it if you cast it from your hand.Remove an indestructible counter from Myojin of Roaring Blades: It deals 7 damage to each of up to three targets.
Myojin of Cryptic Dreams enters with an indestructible counter on it if you cast it from your hand.Remove an indestructible counter from Myojin of Cryptic Dreams: Copy target permanent spell you control three times. (The copies become tokens.)
Myojin of Blooming Dawn enters with an indestructible counter on it if you cast it from your hand.Remove an indestructible counter from Myojin of Blooming Dawn: Create a 1/1 colorless Spirit creature token for each permanent you control.