landscape cards mtg MTGNexus then shuffle Are there any other cards

1 Urza's Incubator Playable in every tribal deck due to being a colorless artifact, it's hard to imagine a deck that wouldn't want the benefits of an Urza's Incubator

Kindred Discovery is especially awesome in tribal decks because it lets you choose a creature type and draw cards anytime one of those creatures enters the battlefield or attacks

Honorable mentions Top Blue Cantrips A cantrip is a spell that replaces itself with a single card when cast

Those three colors can be represented in the mana cost of the card or might have colored pips in their rules text that add to their color identity

Strap into your armor and crank the Bonnie Tyler