Use them with Magic: The Gathering, Pokemon, Digimon, Lorcana, One Piece, Flesh & Blood, Metazoo, Dragon Ball Super (DBS), Star Wars Unlimited, Force of Will, and more
If you don't, sacrifice this creature and draw a card
I definitely think this should be a white Commander staple
Main Deck Tear Monsters (Rulkallos, Kaleido-Heart) All of these monsters have the effect to fusion summon a fusion monster from the extra deck when they are sent to the graveyard by a card effect by using themselves and cards from the hand, field, or graveyard as fusion material
Activated abilities of creatures that include a tap symbol in its cost require continuous control over the creature since the beginning of the players most recent turn: 602.5a
These sets reintroduce Mega Evolution ex cards in a powerful new form, now Stage 2 Pokmon worth 3 Prize Cards when knocked out