Holon Mentor and Holon Legacy both fit well within the Holon engine model of building decks, as did the energy spread that included Holon Energy FF, Holon Energy GL, Holon Energy WP, as well as Boost Energy, Scramble Energy, and Rainbow Energy
I was happily surprised by my grades and Im thinking to just submit them and hope for the best haha I also collected delta species cards (specifically the ditto variants) and I have multiple reverse stamped holos from all over the era
Watchwolf Loxodon Smiter Loxodon Hierarch Advent of the Wurm Armadillo Cloak Behemoth Sledge Eladamri's Call Feremef Enchantress (Enchtress decks only) Glittering Wish Mystic Enforcer Captured Sunlight (as a combo enabler) Qasali Ambusher Safehold Elite Seedcradle Witch (as a combo piece) Sterling Grove (Enchtress decks only) Thaumatog (Enchtress decks only) Sundering Growth Wildfield Borderpost Wheel of Sun and Moon
Auras you put on other players' creatures are a little bit harder to remember, Mind Control effects are harder to play than normal, and cards which search your opponent's deck (like, say, Praetor's Grasp) are nightmares to resolve
(2024-09-20) If you choose to pay the impending cost rather than the mana cost, you're still casting the spell
Skullbriar Counter Voltron Skullbriar, the Walking Grave was one of the very first decks I built when I got into Commander back in 2011