Once per Duel, send 1 Monster Card in your Spell & Trap Zone, equipped to a Cyberdark Fusion Monster, to the GY, then equip 1 monster your opponent controls to that monster
(This sort of villain team-up may be the closest thing we get to a fulfilling Dissidia Final Fantasy revival for some time, so enjoy it.) Summons (Green/White/Red) Even more iconic than the villains are the summons, mighty beasts that can be called down to rain devastation upon a battlefield
This is mostly just a 5-mana 4/4 flyer in Limited, though you'll occasionally be able to use Ultima's blight counters to nerf opposing lands or ramp your mana
While on the surface this might sound like most other formats, it's not
Rather than letting them collect dust, you can sell or trade these cards to fund bigger pulls, like Illustration Rares or competitive deck staples