Serum Powder [Darksteel] SPA Acolita de Karametra Set: Return to Ravnica Type:

Set: Return to Ravnica Type: Instant Rare Cost: {1}{U} Return target nonland permanent you don't control to its owner's hand

Nothing grows in Kjeldor but seaweed

you may tap an untapped creature you control rather than pay this spell's mana cost

"I must speak with Momir Vig about creating a water-spouting watchdog

the contenders discovered that others had already staked a claim

Serum Powder [Darksteel] SPA Acolita de Karametra Set: Return to Ravnica Type:Set: Darksteel Type: Artifact Rare Cost: {3} {T}: Add {C}. Any time you could mulligan and Serum Powder is in your hand, you may exile all the cards from your hand, then draw that many cards. (You can do this in addition to taking mulligans.)