mtg play test cards Largepox [Mystery Booster Playtest Cards] (This happens each time a spell you control or an ability of a permanent you control causes an opponent to pay extra mana Magic: The Gathering - Mystery

Angelic Voices gives your white and artifact creatures +1/+1

Forget about Standard, I would be surprised if this wasn't playable in Modern - at least as a sideboard option for dealing with artifact/enchantment heavy decks

Regeneration can be confusing, but saving your creatures from destruction is worth it

Create a tapped Treasure token

Sacrifice after III.) I, II For each player, exile up to one target non-Saga, nonland permanent that player controls until this Saga leaves the battlefield

With Delirium it practically kills any threat in Modern, making Unholy Heat a monster of removal decks have access to these days