Yep, its the Master
So, how do you please most of them, most of the time
Ancient Copper Dragon Azusa, Lost but Seeking Bolas's Citadel Counterspell Dark Ritual Fatal Push Godo, Bandit Warlord Jodah, the Unifier Nyxbloom Ancient Purphoros, God of the Forge Ranger-Captain of Eos Sram, Senior Edificer Syr Konrad, the Grim Traxos, Scourge of Kroog Tymna the Weaver Urza, Lord High Artificer Venser, Shaper Savant Winota, Joiner of Forces Yawgmoth, Thran Physician
Each expansion has its own types, from basic Pokemon to more powerful versions such as Pokemon Ex
Basically, think of this as an end-of-turn check
Creature - Warrior Rabbit Color tag templates(None) Loyal Apprentice Haste Lieutenant At the beginning of combat on your turn, if you control your commander, create a 1/1 colorless Thopter artifact creature token with flying