Izzet (blue/red) decks are not known for the ability to ramp, so you'll be spending the first few turns setting up mana rocks for mana generation, leaving your defenses open
This Emerald Sapphire action gives you additional control of your opponent's inkwell
The one difference is they get to take a second turn after the Mindslaver, but after you use all of their resources, it will likely not be a very good turn for them anyway
As for the trading card game, players are given the opportunity to take the role of a Pokmon trainer and collect as many Pokmon as possible to battle their opponents
Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.) Whenever this creature attacks, target creature gets +1/+0 until end of turn
[] I dont see any other upside and these are so circumstantial it feels much worse than the card advantage of adventures