If this card is destroyed by battle, or if this card in its owner's possession is destroyed by an opponent's card effect: You can add 1 "Mathmech" Spell/Trap from your Deck to your hand
Most famously, vintage cubes usually feature the "power nine" (Ancestral Recall, Black Lotus, Time Spiral, Time Walk, and five moxes)
But replacing Yawgmoth with these cards in the command zone instantly lowers the power and amps up the goofiness of your black sac deck, so they might be nice to have on hand in case you walk into the LGS and everyone is actually shuffling up precons
At $6, theres a reasonable chance Heliod has hit his floor
Draw 3 cards.You may play only 1 Supporter card during your turn
When do MTG Ghostbusters Secret Lair cards drop