If a card effect would send this card to the Graveyard from the hand or Deck, banish it instead
If the other languages are added, there are 35 masters with 140 variants

A Display of My Dark Power Adrenaline Jockey Ambiguity Angel's Feather Apothecary Initiate April O'Neil, Human Element Archnemesis Ash Zealot Astral Slide Aurelia, the Law Above Auspicious Ancestor Avatar Roku, Firebender Aven Shrine B-I-N-G-O Barbflare Gremlin Bazaar of Wonders Blind Creeper Blood Tyrant Bloodbond March Bog Gnarr Bog-Strider Ash Bonus Round Breena, the Demagogue Bubbling Muck Burning Earth Burning-Tree Shaman Cabal Shrine Carmen, Cruel Skymarcher Cemetery Gatekeeper Censorship Cephalid Shrine Chalice of the Void Chaos Moon Charitable Levy Checks and Balances Coal Hill School Combat Calligrapher Common Courtesy Confessor Crystal Rod Curse of Chaos Curse of Inertia Curse of Shallow Graves Curse of Wizardry Demon's Horn Desecration Elemental Dictate of Karametra Dovescape Dragon's Claw Dreamtide Whale Drooling Ogre Drowner Initiate Dwarven Shrine Ebon Drake Eidolon of the Great Revel Eloren Wilds Elvish Handservant Eye of the Storm False Cure Fields of Summer Fleeting Aven Forgotten Ancient Fumulus, the Infestation Geometric Nexus Glade Gnarr Glademuse Glimmervoid Basin Glowing One Golem's Heart Gonti, Night Minister Gutmorn, Pactbound Servant Heartbeat of Spring

Put a +1/+1 counter on that creature for each nonland card discarded this way.) Land Susur Secundi, Void Altar This land enters tapped
Mark Rosewater: Yes, but it isnt something easy to balance, so weve chosen not to make a new planeswalker with the same issue. Theres a fair bit to unpack here
It also makes Summoning multiple high-level monsters easy, so try Xyz Summoning with them too