what is a promo card in pokemon - Mew #8 Black Star Promos Type Blast Off into Pokémon TCG:

This new set of cards includes Pokmon who were originally discovered in the Galar region, and it introduces powerful new Pokmon V and even more powerful Pokmon VMAX

To put it in perspective: Mega Blaziken EXs Mega Burning attack dishes out 120 DMG

Each pack may contain Collector Booster-exclusive card styles, including special foil treatments or the ultimate find, a Serialized Headliner card * COLLECTOR BOOSTER BOX CONTENTS-12 Secrets of Strixhaven Collector Boosters, with 15 MTG cards in each pack

Despite the restriction to spend this on cards not in your hand, there's no restriction on using the mana to pay generic costs

2013-10-17 Oloro's second ability triggers just once for each life-gaining event, no matter how much life is gained