cheapest place to buy mtg booster boxes Magic The Gathering Commander Masters Set Box with 1 traditional foil alternate Magic: The Gathering - Final

Getting to use those cards as removal and then cycle them for draw is pretty powerful

Prince John Greediest of All I Sentence You (Whenever your opponent discards 1 or more cards, you may draw a card for each card discarded) changed to, I Sentence You (Whenever an opposing player discards 1 or more cards, you may draw a card for each card discarded

You're also preventing actions, items, songs, and locations from being much of a factor unless they're already in your opponent's hand

Reducing Auron's power below the exiled creature's power won't cause the exiled creature to return to the battlefield

If the Aura can't legally be attached to anything, it remains in exile for the rest of the game

That's why Pirate's Life and Be King Undisputed matter again