If your opponent tries to snag one of your Sea Serpents from your Graveyard with Monster Reborn or Grandsoil the Elemental Lord , you can use Call of the Atlanteans to Summon it first, rendering your opponents card useless
I was worried that, with my love of MTG and FF, this set was going to be a let-down, but it wasnt
The best Agent strategy revolves around The Agent of Creation Venus , as she can pay 500 LP to Special Summon Mystical Shine Ball from the deck
At best, the extended art variant is going for $49, but thats a pretty meager saving
Every other timing rule for casting spells still applies: If the mayhem card is an instant, you can cast it any time you have priority that turn, but if it's a creature you can only cast it at sorcery speed (unless another effect gives it flash)