pokemon cards tornadus EX (114/116) [Black & White: Plasma Freeze] you may have your opponent switch their Active Pokemon with 1 of their Benched Pokemon (your opponent chooses the new Active Pokemon) Tornadus (Master Ball Pattern) 78

This is also the exact reason the sideboard is available

This mechanical loop looks like this: WB and BG overlap with put into exile triggers BG and GU overlap with late game mana cards GU and UW overlap with wanting low mana value creatures on the board RW and UW overlap in wanting creatures that werent cast RB and RW overlap with wanting to cast artifacts RB and UB overlap with wanting noncreature permanent cards to enter your graveyard UB and UR overlap in rewarding bouncing your own creatures UR and RG overlap in protecting attackers RG and GW overlap in wanting very large creatures GW and WB overlap in wanting to not cast spells This set of overlaps doesnt want a lot of cards to represent it

Oracle of Mul Daya Oracle of Mul Daya offers ramp and card advantage by letting you play lands off the top of your library

They also usually balance the severity of their restrictions against their specificity taxing a broad swathe of cards or completely blocking a specific kind of combo from going off