pokemon rhyperior card V - SWSH03: Darkness Ablaze [ULTRA RARE] Pokémon Hit Points190 HP Stage Rhyperior 91/196 - SWSH11 Lost

Richard Garfield used this to design the games mana system and left this fun little credit to Larry Niven on Nevinyrral's Disk in the games original set

It also enables infinite mana combinations with cards like Freed from the Real

Festering Gulch The difference between Festering Gulch and Jungle Hollow is marginal, but they're both ever-so-slightly better than a basic tapland like Foul Orchard

Its retreat cost alone will run you four Basic Energy, so make sure you have the energy to back it up

Speaking of sacrifice, Grinding StationGrinding Station is a powerful way to fill up our graveyard while Krark-Clan IronworksKrark-Clan Ironworks or Ashnod's AltarAshnod's Altar would let us turn unneeded artifacts or creatures into mana for other things