Caged Sun (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Unsanctioned −8: You get an emblem

−8: You get an emblem with “Whenever you cast a red instant or sorcery spell

Enchanted creature has first strike

Set: Rivals of Ixalan Prerelease Promos Type: Legendary Creature — Elder Dinosaur Rarity: Rare Cost: {5}{U}{U} This spell can't be countered

Binder - Flexxfolio - Ultimate Guard

3 cmHigh: 4

Caged Sun (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Unsanctioned −8: You get an emblemSet: The Brothers' War Retro Artifacts Type: Artifact Rarity: Mythic Cost: {6} As Caged Sun enters the battlefield, choose a color. Creatures you control of the chosen color get +1 +1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.