Ob Nixilis, Captive Kingpin (Extended Art) [March of the Machine: The Aftermath] Chimera Hydra open the "Uncovered Cavern" plot

open the "Uncovered Cavern" plot booster

and attach it to 1 of them

Set: Portal Three Kingdoms Type: Legendary Creature — Human Advisor Rarity: Rare Cost: {1}{B}{B} {T}: Target creature you control gets +2/+0 until end of turn

And yea he doth spake: "Let there be Magic

Ob Nixilis, Captive Kingpin (Extended Art) [March of the Machine: The Aftermath] Chimera Hydra open the "Uncovered Cavern" plotSet: March of the Machine: The Aftermath Type: Legendary Creature Demon Rarity: Mythic Cost: {2}{R}{G} Flying, trample Whenever one or more opponents each lose exactly 1 life, put a +1 +1 counter on Ob Nixilis, Captive Kingpin. Exile the top card of your library. Until your next end step, you may play that card.