Treasure-Hunting Mole Miner

When Treasure-Hunting Mole Miner dies, create
a Treasure token. (It's an artifact with "{t},
Sacrifice this artifact: Add one mana of any
color.")

Encore {3}{r} ({3}{r}, 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.)