how many cards are in a deck of yugioh Complete Custom for Yu-Gi-Oh! Do You Really Have to

Not just under your control

The Commander, Kaalia of the Vast, helps you bring creatures into play, whether theyre Angels, Demons, or Dragons

Ainok Guide Boggart Harbinger Brutalizer Exarch Conduit of Ruin Dovin's Dismissal Elvish Harbinger Faerie Harbinger Flamekin Harbinger Forerunner of the Coalition Forerunner of the Empire Forerunner of the Heralds Forerunner of the Legion Garruk, Caller of Beasts Giant Harbinger Jace, Architect of Thought Kithkin Harbinger Liliana Vess Loam Larva Loyal Inventor Merrow Harbinger Momir Vig, Simic Visionary Mwonvuli Beast Tracker Primal Command Silver Deputy Sylvan Tutor Treefolk Harbinger Undercity Vivien, Monsters' Advocate Worldly Tutor

He was toying with the idea of cards that changed states over time and eventually landed on the graveyard as the impetus for this change