However, keeping a Rafiki, Mysterious Sage can help you make an early swing for board control on turn three
Karn can lock out one-mana spells
She has one huge weakness, though, and thats why I bumped her to number three on the list
We can then really lean into the exchange theme, taking it to the next level with cards that exchange things other than creatures, like life totals (although maybe well skip the $700 Mirror Universe)
When the last is removed, sacrifice it.) When Crack in Time enters the battlefield and at the beginning of your precombat main phase, exile target creature an opponent controls until Crack in Time leaves the battlefield
Either youre wiping low toughness creatures or youre returning some creatures to the battlefield with haste