mtg sleep card Dormir (Sleep) Magic 2010 m10#71 Tap target creature Sleep, 27 cards | Magic:

Strefan, Maurer Progenitors second ability lets you cheat bigger and more expensive vampires onto the field while also making them indestructible

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)

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

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