Boros Signet [Modern Masters 2017] War of the Spark Tokens Set: Mystery Booster Type: Sorcery

Set: Mystery Booster Type: Sorcery Rarity: Common Cost: {1}{R} As an additional cost to cast this spell

or—if they get desperate enough—the truth

Set: Hour of Devastation Type: Instant // Sorcery Rarity: Rare Cost: {1}{W} // {3}{R} Return any number of target permanents you own to your hand

Set: Doctor Who Type: Sorcery Rarity: Rare Cost: {2}{U}{U} Draw cards equal to the highest mana value among historic permanents you control

and an Urza's Tower

Boros Signet [Modern Masters 2017] War of the Spark Tokens Set: Mystery Booster Type: SorcerySet: Modern Masters 2017 Type: Artifact Rarity: Uncommon Cost: {2} {1}, {T}: Add {R}{W}. "Have you ever held a Boros signet? There's a weight to it that belies its sizea weight of strength and of pride." Agrus Kos