Arcum Dagsson [Double Masters] Head Activated abilities of sources with

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities

you may banish a Shadow card from your hand

Bones scattered around us joined to form misshapen bodies

Set: Celebration Cards Type: Summon — Dragon Rarity: Rare Cost: {6}{R}{R}{R} When Shichifukujin Dragon comes into play

Arcum Dagsson [Double Masters] Head Activated abilities of sources withSet: Double Masters Type: Legendary Creature Human Artificer Rarity: Mythic Cost: {3}{U} {T}: Target artifact creature's controller sacrifices it. That player may search their library for a noncreature artifact card, put it onto the battlefield, then shuffle. "Artifice sundered the world. It shall not again wreak such sorrow."