Soul Burn (Leon Lindback) [Pro Tour Collector Set] Human Mercenary calling upon the spirits of

calling upon the spirits of the ancestors to make it fly true

Set: Legendary Collection 2 Card type: Effect Monster Rarity: Common Attack: 1000 Defense: 0 During your Standby Phase

You should have written it down

You can only activate 1 "Spellbook of the Master" per turn

The River Heralds guard them all

Soul Burn (Leon Lindback) [Pro Tour Collector Set] Human Mercenary calling upon the spirits ofSet: Pro Tour Collector Set Type: Sorcery Rarity: Common Cost: {X}{2}{B} Spend only black and or red mana on X. Soul Burn deals X damage to any target. You gain life equal to the damage dealt, but not more than the amount of {B} spent on X, the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.