Animation Module [Kaladesh] XY91 sacrifice it unless you return

sacrifice it unless you return an untapped Swamp you control to its owner's hand

put a +1/+1 counter on Blessed Spirits

Set: Collectors' Edition Type: Creature — Rat Rarity: Common Cost: {2}{B} Plague Rats's power and toughness are each equal to the number of creatures named Plague Rats on the battlefield

Set: Phyrexia: All Will Be One Type: Artifact Creature — Phyrexian Golem Rarity: Rare Cost: {2} Permanent cards in graveyards can't enter the battlefield

Set: Return to Ravnica Tokens Type: Token Creature — Knight Rarity: Common Vigilance

Animation Module [Kaladesh] XY91 sacrifice it unless you returnSet: Kaladesh Type: Artifact Rarity: Rare Cost: {1} Whenever one or more +1 +1 counters are put on a permanent you control, you may pay {1}. If you do, create a 1 1 colorless Servo artifact creature token. {3}, {T}: Choose a counter on target permanent or player. Give that permanent or player another counter of that kind. Design leads to progress.