| 1/25/2019 |
If a card in your hand has  in its mana cost, X is considered to be 0. |
| 1/12/2024 |
Addendum abilities of instant spells apply while the spell is resolving, not immediately after casting it. If the spell is countered, you don't get the addendum bonus. |
| 1/12/2024 |
If an effect copies a spell with an addendum ability while it's on the stack, the copy wasn't cast at all, so you won't get the addendum bonus. |
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