Activated Sleeper [Dominaria United Commander] Arabian Nights New Ships allow you to

New Ships allow you to attack the aliens and gain their valuable artifacts which provide huge bonuses

or land card from their hand onto the battlefield

If you don't cast it

{T}: Add {B}

Set: Betrayers of Kamigawa Type: Legendary Creature — Snake Shaman Rarity: Rare Cost: {4}{G}{G} Whenever a creature you control deals combat damage to a player

Activated Sleeper [Dominaria United Commander] Arabian Nights New Ships allow you toSet: Dominaria United Commander Type: Creature Phyrexian Shapeshifter Rarity: Rare Cost: {2}{B} Flash You may have Activated Sleeper enter the battlefield as a copy of any creature card in a graveyard that was put there from the battelfield this turn, except it's a Phyrexian in addition to its other types.