We've got loads of cards spiking thanks to the ludicrous Discover keyword, as well as Merfolk that can counter Cascade, and a possible Discover hate card that's done nothing to stop the rampage of this new ability keyword
Return it to the battlefield under its owners control at the beginning of the next end step. Oh look, now theres no reason not to kill all of your stuff off, thats fun, isnt it
Getting a +2/+2 counter on the creature you reanimate is actually a pretty good payoff
The commanders ability to draw cards and grow in size allows the deck to alternate between explosive storm turns, resilient midrange plays, and a backup combat damage plan
Every Timmy out there knows the pain of playing an awesome 7-mana card only for it to be countered or removed before it does the thing
Simply readjust the setting and get a different result