Your search for "Boros Signet 217" revealed the following:
Crawlspace (Foil) (DMR) from Dominaria Remastered, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Zoltan Boros Card Text:No more than two creatures can attack you each combat.
Borg (020) // Clue (022) Token (Foil) (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Foil Artist: Henry Peters & Flavio Greco Paglia Card Text:Clue: {2}, Sacrifice this token: Draw a card.
Borg (019) // Clue (021) Token (Foil) (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Foil Artist: Edouard & Joel Chaim Holtzman Card Text:Clue: {2}, Sacrifice this token: Draw a card.
Dolliv - 016/103 - Common - Reverse Holo from Mega Evolution: Delta Reign, available at 401 Games Canada. Rarity: Common Finish: Reverse Holo Artist: Eri Kamei Card Text:[G] Leaf Step (40)
Boros Signet (Foil) (MM3) from Modern Masters 2017, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Mike Sass Card Text:1, T: Add RW to your mana pool.
Boros Signet (MM3) from Modern Masters 2017, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Mike Sass Card Text:1, T: Add RW to your mana pool.
Boros Signet (C17) from Commander 2017, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Mike Sass Card Text:1, T: Add RW to your mana pool.