These are some of the best ones I could find: Sin Prodder, Twilight Prophet, Combustible Gearhulk, Sorin, Grim Nemesis, Reviving Vapors, Rush of Knowledge, Ugin's Insight, Interpret the Signs, Nissa's Revelation, Greater Good, Demonlord Belzenlok, Emrakul's Influence Card Draw: Yidris, Maelstrom Wilder, Maelstrom Nexus, Sunbird's Invocation Cascades: Scattering Stroke, Psychic Battle Denial: Timesifter Extra Turns: Favor of the Mighty Protection: Recross the Paths, Selvala, Heart of the Wilds Ramp: Mercurial Chemister, Wolf of Devil's Breach, Riddle of Lightning, Blast of Genius, Disaster Radius, Heretic's Punishment, Kozilek's Return, Nahiri's Wrath, Displacement Wave, Gaze of Granite, Pernicious Deed Removal: Vengeful Rebirth Recursion: Fierce Empath, Treasure Mage, Conduit of Ruin, Grozoth, Sanctum of Ugin Tutors: Spellbound Dragon, Metallurgic Summonings, Kalemne, Disciple of Iroas, Vial Smasher the Fierce, Baneful Omen, Infernal Genesis Beatdown: I'm happy to see that Red is bringing the most value in terms of high cmc support cards

As of February 2021, the v1 API is no longer supported
These cards have different effects, spanning from destroying other cards to giving you LP
Interestingly, it seems we have one of Jaces relatives named Gav (brother
To see all available qualifiers, see our documentation