Black mana, as you might suspect, lets loose a range of nasty creatures, with names like Plague Rats and Demonic Hordes
Or organizing your growing collection of YGO cards
This Topps card is a really cool miscut but I dont think PSA likes grading cards when two characters are visible
6 Double Turbo Energy Gold $16 Area Zero Underdepths Gold $22 Plusle Illustration Rare $20 Scizor Crossing the Ruins Holo JPN $16 CGC 10 Palkia V Alt Art $125 CGC 8.5 Shaymin V Full Art/ Brilliant Stars $12 CGC 10 Hisuian Zoroark VSTAR $19 Message Seller View Profile Buyer Protections Created on 8/10/24
The Eight Doctor can find a home in Niambi, though, among other places
There are tons of other synergistic engines like Goblin Welder, Daretti, Scrap Savant, and Goblin Engineer to fit in all kinds of combos and interactions into the list