The next time two target creatures would deal damage, you draw a card
Ayara, Furnace Queen Ayara, Widow of the Realm Baral and Kari Zev Borborygmos and Fblthp Caetus, Sea Tyrant of Segovia Djeru and Hazoret Drana and Linvala Elesh Norn Ephara, Ever-Sheltering Errant and Giada Etali, Primal Conqueror Etali, Primal Sickness Ghalta and Mavren Glissa, Herald of Predation Grandmother Ravi Sengir Heliod, the Radiant Dawn Heliod, the Warped Eclipse Hidetsugu and Kairi Inga and Esika Jin-Gitaxias Kogla and Yidaro Kroxa and Kunoros Marchesa, Resolute Monarch Omnath, Locus of All Orthion, Hero of Lavabrink Polukranos Reborn Polukranos, Engine of Ruin Quintorius, Loremaster Rankle and Torbran Rona, Herald of Invasion Rona, Tolarian Obliterator Sheoldred Surrak and Goreclaw Thalia and The Gitrog Monster Urabrask Vorinclex Yargle and Multani Zilortha, Apex of Ikoria Zimone and Dina Zurgo and Ojutai
At the end of your turn, you can discard your hand and then draw new cards equal to the number of spells you cast that turn
But the payoff is worth it for it to generate one mana of any color
A commander that is just incredibly powerful would not qualify for the Game Changers list
Clearing out a bigger blocker to get your Rabblemaster through is huge
