Heartburn
Tool · Court of Chaos - Master Beta Deck (COC) · Preconstructed Deck
| Card number | 176 |
|---|---|
| Styles | Standard |
| Rarity | Common |
| Artist | Diana Franco |
| Released | August 8, 2025 |
| Special | Choose 1 beat on your opponent's field. Its starting attack and defense values are swapped for the duration of your turn. This tool cannot be doubled. |