(1) Ritual Summon 1 Black Chaos the Dark Chaos Magician or Black Luster Soldier Soldier of Light and Darkness from your hand, by Tributing monsters from your hand or field and/or banishing monsters from your GY, whose total Levels equal or exceed its Level
Another consideration is the buy-a-box promo
If a Pokmon or a move has the Colorless Energy symbol, it means you can use any Energy card type with it
Cards related to "Gengar".
2 mana nets you a treasure token for every artifact and enchantment your opponents have on the battlefield, and since the effect is stapled to a creature, recursion and blink effects make its enter the battlefield trigger ripe for repetition
This, in part, helps reveal the power of commanders such as Thrasios, Triton Hero and Tymna, the Weaver, rather than being combo pieces they are simply value commanders, and thus blowing them up only prevents one opponent from generating value (though Thrasios is often used to draw an entire deck) but with a win con as elegant as "exile your library" coming out of black, and "win when you draw with no deck" coming out of blue at extremely low mana costs, it really enables you to play the T&T combo that makes them far and away the most common cEDH commanders
