Miirym, Sentinel Wyrm

Miirym, dragon sentinelle (Miirym, Sentinel Wyrm) (fr)

Legendary Creature - Dragon Spirit | Power/Toughness: 6 / 6 (CMC 6)
Flying, ward
Whenever another nontoken Dragon enters the battlefield under your control, create a token that's a copy of it, except the token isn't legendary.