unearth mtg cards Perennial Behemoth (PBRO) #202p No matter how deep you bury it MTG Unearth - All cards

Any time you have priority, you can turn a face-down permanent with negamorph face up by paying its negamorph cost

702.180b: You choose which creature to tap as you choose to pay a spells harmonize cost (see rule 601.2b), and then tap that creature as you pay the total cost.

Combo decks These can play 2 speeds, and this is often something that revolves around artifacts

Of course, most decks overloaded with one-drops don't play many five-drops or enough lands to cast five-drops with regularity, so everything isn't perfect in Obosh's world, but if either of the odd /even companions shows up in a competition deck, my money is on Obosh, the Preypiercer

Firebending 2 on a 1-drop is dangerous, though it requires that you bin a lesson to really matter