Heartfire [War of the Spark] Thrull If a Saproling was sacrificed

If a Saproling was sacrificed this way

Set: Ravnica: Clue Edition Type: Artifact — Clue Equipment Rarity: Uncommon Cost: {R} As long as it's your turn

Set: Commander Legends: Battle for Baldur's Gate Type: Enchantment Rarity: Mythic Cost: {3}{U} Instant and sorcery spells you cast cost {1} less to cast for each time you've cast a commander from the command zone this game

return Journey to the Oracle to its owner's hand

Goblin Lair — Create a 1/1 red Goblin creature token

Heartfire [War of the Spark] Thrull If a Saproling was sacrificedSet: War of the Spark Type: Instant Rarity: Common Cost: {1}{R} As an additional cost to cast this spell, sacrifice a creature or planeswalker. Heartfire deals 4 damage to any target. The mage looked within and realized there was still one piece of fuel to burn.