unsanctioned booster box Mystery Booster/The List: Enter the Dungeon (Foil Unsanctioned is mayhem Is It Worth It To

You may want to lean into some of the Bat typal cards from Bloomburrow or just continue down the current path and maximize the life-gain angle

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Blood Celebrant Since Blood Celebrants activated ability costs a black mana and produces a black mana, you can pay as much life as you like

Traveling Chocobo (FIN) $23 Landfall didn't exactly take off in Standard, but this is still a valuable card to have around

Sorcery speed spells must be cast on your own turn during the main phase(s)

Being a Special Guest printing, the supply of this wont be particularly high, so it wont drop the price of base versions much