Being able to switch out one of your opponents Pokemon and switch in yours is a powerful effect
When it attacks, sacrifice it at end of combat.) Artifact Ramp (CTRL to add secondary) Recursion Sheoldred, Whispering One Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield
See today's Pokemon card deals at Amazon For something else to play, why not try the best board games or the best tabletop RPGs
If you could reliably cast this off of a Mountain, a Forest, and a Swamp, that would be great, but that's not an option
They also offer a range of tech effects that can help out specific strategies
Izzet: Izzet is on the top of our list for a very simple reason: there are a ton of good artifacts in Magic , so you have a ton of potential upgrades