Contractual Safeguard (Promo Pack) [Streets of New Capenna Commander Promos]Set: Streets of New Capenna Commander Promos Type: Instant Rarity: Rare Cost: {2}{W} Addendum If you cast this spell during your main phase, put a shield counter on a creature you control. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) Choose a kind of counter on a creature you control. Put a counter of that kind on each other creature you control.

Set: Commander 2011 Oversized Type: Legendary Creature — Elf Rogue Rarity: Rare Cost: {1}{G}{U} Whenever a creature deals combat damage to one of your opponents

Keranos deals 3 damage to any target

Set: Sun & Moon: Cosmic Eclipse Type: Darkness Rarity: Secret Rare Retreat cost: Colorless

royal archivist

While it's true most dragons are cruel

the price on your head is high

" —"Hymn of Angelfire"

Set: EX: Emerald Type: Water Rarity: Ultra Rare Retreat cost: Colorless

"The Rime of the Ancient Mariner"

Set: XY: Ancient Origins Type: Darkness Rarity: Ultra Rare Retreat cost: Colorless

Set: Kaldheim Prerelease Promos Type: Legendary Creature — Dwarf Berserker Rarity: Rare Cost: {1}{R} Other Dwarves you control get +1/+0

where X is the mana value of a commander you own on the battlefield or in the command zone