Xanathar, Guild Kingpin , Ashiok, Nightmare Weaver , Nightveil Specter , Silent-Blade Oni , and Mnemonic Betrayal will all let you play your opponent's decks for them
The rarity of Rainbow Charizard cards is driven by their scarce availability and elusive nature
Intrepid Adversary Intrepid Adversarys anthem effect scales with the amount of mana you put into it, much like a multikicker ability
People might say that's weird but screw that
But before Level Up was ever even keyworded, we actually got a sneak peek of it through Figure of Destiny from Eventide (2008) , a fan-favorite 1-drop that could grow bigger and badder as you dumped mana into it
The low cost makes it an efficient way to put a stop to tons of strategies that rely on shenanigans to generate a ton of value