mtg sleep card Dormir (Sleep) Magic 2010 m10#71 Enchant creature Whenever enchanted creature deals damage to a player Sleep Magic The Gathering Card

This separate pile is your pool of cards, and it will grow over the course of the draft, eventually becoming the pool of cards from which you will build your 40-card deck

When it is a benefit to your tribe that cannot easily be interacted with by the rest of the table and in the case of Edgar, does not cost you mana, it becomes something that leaves a reasonably sour taste in the mouths of the player base

And that hasnt ended, we just flavor stuff after planeswalkers (Jace's Erasure, Liliana's Specter, Chandra's Ignition) or still after legendary creatures (Ezuri's Predation, Daxos's Torment, Kalemne's Captain, Gisa's Bidding, Geralf's Masterpiece, Oona's Grace, etc)

The short answer: the referee decides

to convert a permanent on the battlefield, turn it over so that its other face is up

2 Mana is for grizzly bears, signets, and the best ramp