Monsterpocalypse: Building- Harbinger Comet Shard Magic Origins you gain control of target

you gain control of target opponent during that player's next turn

untap Mana Vault

put all but one of them on the bottom of your library in a random order

Hidden within the clicking

(While they're phased out

Monsterpocalypse: Building- Harbinger Comet Shard Magic Origins you gain control of targetFragments of the Harbinger Comet broke off at regular intervals during its approach and subsequently survived reentry to impact in countless locations, including several deep within populated cities. Initially thought to be random, these strike locations are now seen as part of a deliberate pattern. Composed of alien materials, these structures are resistant to conventional weapons and contain within them slumbering forces awaiting the call to feast