Scourge of Valkas

Geißel von Valkas (Scourge of Valkas) (de)

Creature - Dragon | Power/Toughness: 4 / 4 (CMC 5)
Whenever Scourge of Valkas or another Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control.
: Scourge of Valkas gets +1/+0 until end of turn.