mtg pauper legal cards in Pauper, Colors: Black, Green, 45 Legal in Pauper, Rules Text:

As a Vampire Commander centered on graveyard recursion, Olivia, Crimson Bride stands among the best Vampire Commanders MTG has in its arsenal for resilience and grinding power

"1994 Cube Black" Creatures (29) 1 Banshee 1 Black Knight 1 Bog Wraith 1 Carrion Ants 1 Cuombajj Witches 1 Demonic Hordes 1 Derelor 1 Eater of the Dead 1 Erg Raiders 1 Evil Eye of Orms-by-Gore 1 Fallen Angel 1 Guardian Beast 1 Hasran Ogress 1 Hell's Caretaker 1 Hypnotic Specter 1 Infernal Medusa 1 Junun Efreet 1 Juzam Djinn 1 Lord of the Pit 1 Necrite 1 Nettling Imp 1 Nightmare 1 Order of the Ebon Hand 1 Royal Assassin 1 Sengir Vampire 1 Shimian Night Stalker 1 Thrull Champion 1 Walking Dead 1 Will-o'-the-Wisp Spells (21) 1 Dark Ritual 1 Terror 1 Word of Command 1 Ashes to Ashes 1 Demonic Tutor 1 Drain Life 1 Hellfire 1 Hymn to Tourach 1 Mind Twist 1 Sinkhole 1 Soul Exchange 1 Animate Dead 1 Bad Moon 1 Breeding Pit 1 Demonic Torment 1 Imprison 1 Oubliette 1 Paralyze 1 Pestilence 1 Unholy Strength 1 Weakness Black has just about everything you could want

We have plenty of token-making cards at play here already, so I'm hopeful you have other ideas for how we can help her shine

When he dies, he flips to Temple which taps for red and then transforms back with 3 mana

Regenerate does not count as dying

And if the equipped creature is an artifact creature, you could even tap it and its equipment to pay two generic mana via improvise