Enchant creature
At the beginning of the upkeep of enchanted creature’s controller, that player sacrifices that creature unless they pay 
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When Slow Motion is put into a graveyard from the battlefield, return Slow Motion to its owner’s hand.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.