Exquisite Huntmaster DGM create a tapped Powerstone token

create a tapped Powerstone token for each other creature you control

When Mesmeric Fiend enters the battlefield

choose a color other than black

Discard Mnemonic Sphere: Draw a card

This spell costs {1} less to cast for each instant and sorcery card in your graveyard

Exquisite Huntmaster DGM create a tapped Powerstone tokenCreature Elf Warrior When Exquisite Huntmaster dies, create a 1 1 green Elf Warrior creature token. Encore {4}{B} ({4}{B}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)