Brain Freeze [The List] Media Promos If that card's mana value

If that card's mana value is less than or equal to the sacrificed artifact's mana value

Set: Worldwake Type: Creature — Human Druid Ally Rarity: Rare Cost: {1}{G} {T}: Add X mana of any one color

Set: Champions of Kamigawa Type: Legendary Artifact — Equipment Rarity: Rare Cost: {3} Equipped creature gets +3/+1

Set: Invasion Type: Legendary Creature — Human Soldier Rarity: Rare Cost: {2}{G}{W} {T}: Search your library for a legendary card

Set: Modern Horizons Type: Instant Rarity: Rare Cost: {2}{G}{G} If it's not your turn

Brain Freeze [The List] Media Promos If that card's mana valueSet: The List Type: Instant Rarity: Uncommon Cost: {1}{U} Target player mills three cards. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)