Naturally, though, with such popularity, there were always going to be concerns about the available supply of the products
Kadena, Slinking Sorcerer, Grim Haruspex, Thought Sponge, Tezzeret's Gambit, Urban Evolution, Bounty of the Luxa (kinda), Pendant of Prosperity, Thieving Amalgam, Trail of Mystery, Secret Plans 10 sources of "card advantage;" Ainok Survivalist, Icefeather Aven, Silumgar Assassin, Skinthinner, Stratus Dancer, Willbender, Nantuko Vigilante, Kheru Spellsnatcher, Crhomeshell Crab, Volrath, the Shapestealer (kinda), Echoing Truth, Reality Shift, Putrefy, Sultai Charm, Hex, Kadena's Silencer, Leadership Vacuum, Sudden Substitution, Apex Altisaur, Vraska the Unseen, I'm counting soft removal options like bounce and narrow countermagic for now ~20 targeted removal
Canoptek Tomb Sentinel can be cast from your graveyard with Zask without Unearthing it, and it will trigger Exile Cannon , removing a nonland permanent of your choice
Its card number is 065/192