mtg when can you discard a card Bag of Holding · Commander Legends: Battle for Baldur's Gate (CLB) #299 · Scryfall Magic: The Gathering Search Curious why the text says

Exile the tokens at end of combat.) The term "defending player" in the myriad rules (or any other ability of an attacking creature) refers to the player the creature with myriad was attacking at the time it became an attacking creature this combat, or the controller of the planeswalker or protector of the battle the creature was attacking at the time it became an attacking creature this combat

These oversized Vanguard cards allowed you to play a format where your starting life total and hand size were adapted and you were granted an ability that lasted the whole game

and Austin Herrick at the University of Pennsylvania

And it softens the blow and feel bad of countering a spell by giving them cards instead