It's not like a match where you can deal with such prison cards with 15 side decks
It was instead replaced with a flat foil used on the Full Arts and sparingly used on some of the non-Full Arts in a similar way to the special foil patterns used in Legendary Treasures
The less human version is Tovolar, Midnight Scourge, whos a 4/4 with the same card draw ability, but this time around you can pay X, one red, and one green, to give a Wolf or Werewolf you control +x/+0 and trample until the end of the turn, which is a great way to finish someone off
The best part about this is that a player can steal a card from a graveyard, and use it as a tool to Special Summon something with
But most of the other color-fixing effects are actually ramp spells, which means they become too expensive to commit to in large numbers
VRAINS , Equip Spells were simply visualized as weapons or tools appearing next to their target and being wielded by the equipped monster or attached to its body