Obsidian Fireheart [Zendikar] Condition:Near Mint [All Turns] When one of

[All Turns] When one of your Digimon would leave the battle area other than by one of your effects

Whenever Amber Gristle O'Maul attacks

"When these intruders are gone

I'm sorry—did I break your concentration

Set: Strixhaven: School of Mages Type: Enchantment Rarity: Uncommon Cost: {R}{W} At the beginning of your end step

Obsidian Fireheart [Zendikar] Condition:Near Mint [All Turns] When one ofSet: Zendikar Type: Creature Elemental Rarity: Mythic Cost: {1}{R}{R}{R} {1}{R}{R}: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after Obsidian Fireheart has left the battlefield.)