Guardian Beast (Oversized) [Oversize Cards] Insect You can't cast Bad Knight

You can't cast Bad Knight if you're on the Mirran team

“Practice alone will not bring perfection

000 Type: Creature — Astartes Warrior Rarity: Rare Cost: {4}{B} When Primaris Eliminator enters the battlefield

Set: Phyrexia: All Will Be One Prerelease Promos Type: Land — Sphere Rarity: Rare {T}: Add {C}

and blue deck with a balanced mix of speed and control

Guardian Beast (Oversized) [Oversize Cards] Insect You can't cast Bad KnightSet: Oversize Cards Type: Creature Beast Rarity: Rare Cost: {3}{B} As long as Guardian Beast is untapped, noncreature artifacts you control can't be enchanted, they have indestructible, and other players can't gain control of them. This effect doesn't remove Auras already attached to those artifacts.