Worn Powerstone (Borderless) [The Lost Caverns of Ixalan Commander] Bird these slivers have proven unruly—they

these slivers have proven unruly—they know they cannot be caught

put a card from among those cards into your hand

Reverse Type: Token Creature — Soldier

1x Contagion Engine

instead return target nonland permanent an opponent controls to its owner's hand

Worn Powerstone (Borderless) [The Lost Caverns of Ixalan Commander] Bird these slivers have proven unruly—theySet: The Lost Caverns of Ixalan Commander Type: Artifact Rarity: Uncommon Cost: {3} Worn Powerstone enters the battlefield tapped. {T}: Add {C}{C}. "The strange energy source isn't cosmium after all, but some unidentifiable material that has leached cosmium residue from the walls. Could be dangerous. Could change everything." Oltec archaeological survey