What are the abilities of Molten-Tail Masticore?
user
At the beginning of your upkeep, sacrifice Molten-Tail Masticore unless you discard a card.\n{4}, Exile a creature card from your graveyard: Molten-Tail Masticore deals 4 damage to any target.\n{2}: Regenerate Molten-Tail Masticore.
assistant