Seht's Tiger [The List] Sliver Set: Commander 2018 Type: Enchantment

Set: Commander 2018 Type: Enchantment Rarity: Rare Cost: {2}{U} You may have Estrid's Invocation enter the battlefield as a copy of an enchantment you control

Set: Commander Masters Type: Artifact Creature — Golem Rarity: Rare Cost: {10} Flash

Recent research suggests they were invented by the brothers' original master

but I believe a more mundane power source might suffice

Set: Zendikar Rising Prerelease Promos Type: Legendary Planeswalker — Jace Rarity: Mythic Cost: {1}{U}{U} Kicker {2}

Seht's Tiger [The List] Sliver Set: Commander 2018 Type: EnchantmentSet: The List Type: Creature Cat Rarity: Rare Cost: {2}{W}{W} Flash (You may play this spell any time you could play an instant.) When Seht's Tiger comes into play, you gain protection from the color of your choice until end of turn. (You can't be targeted, dealt damage, or enchanted by anything of the chosen color.)