Infinite Sacrifice

Trample This creature enters tapped. When this creature enters, sacrifice it unless you sacrifice five lands. This creature doesn't untap during your untap step. Whenever you play an Island, you may untap this creature.

Creatures don't untap during their controllers' untap steps. Whenever a creature enters, untap all creatures.

Whenever a creature you control dies, each other player sacrifices a creature of their choice.

Vivid — : For each color among permanents you control, add one mana of that color.

Imprint — Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with this artifact to its owner's graveyard. , : Create a token that's a copy of a card exiled with this artifact. It gains haste. Exile it at the beginning of the next end step.