Porta Evolucionária (Evolving Door) (pt)
Artifact
(CMC 3)
, , Sacrifice a creature: Count the colors of the sacrificed creature, then search your library for a creature card that's exactly that many colors plus one. Exile that card, then shuffle. You may cast the exiled card. Activate only as a sorcery.
- [SNC] Streets of New Capenna #144 (R)