Darksteel Forge [Darksteel] Black Whenever Scourge of Valkas or

Whenever Scourge of Valkas or another Dragon enters the battlefield under your control

−7: You gain X life and draw X cards

Set: Portal Three Kingdoms Type: Instant Rarity: Uncommon Cost: {W} Cast this spell only during the declare attackers step and only if you've been attacked this step

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {1} {T}: Add {C}{C}

Darksteel Forge [Darksteel] Black Whenever Scourge of Valkas orSet: Darksteel Type: Artifact Rarity: Rare Cost: {9} Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.) "Did it have this shape upon Mirrodin's creation, or did some inconceivable force shape the unshapable?" Pontifex, elder researcher