If an Xyz Monster leaves the field, ceases to be a monster, or is used for an Xyz Summon that is not an Xyz Evolution, its Xyz Materials are sent to the Graveyard
As alluded to, this will be especially devastating if your opponents deck largely revolves around +1/+1 counters
Giving up 1-2 cards in hand but having a 50 card deck with a 10 card wishboard while having higher card quality than your opponent could very well make a splash
It's not unusual to see new MTG sets release alongside a selection of preconstructed Commander decks
Flashfreeze is probably a fine card for Mono-Red and any Green stompy decks that pop up in the future
Promo Info TOP16 prize for Championship 2024 Cycle 1 -Grand Asia Open- Regional Preliminaries CLOSECLOSE BT12-010 C Digimon Lv.4 Parallel Rare Growlmon Color Red Form Champion Attribute Virus Type Dark Dragon DP 5000 Cost 5 Digivolve Cost 1 2 from Lv.3 Digivolve Cost 2 - Upper Text [When Digivolving] If you don't have [Takato Matsuki] in play, you may play 1 [Takato Matsuki] from your hand without paying the cost