| 8/7/2020 |
The target opponent can't activate any abilities, including mana abilities. |
| 8/7/2020 |
Activated abilities are written in the form "[Cost]: [Effect]." Some keyword abilities (such as cycling) are activated abilities and will have colons in their reminder texts. |
| 8/7/2020 |
Triggered abilities use the word "when," "whenever," or "at." They're often written as "[Trigger condition], [effect]." Triggered abilities are unaffected by Sen Triplets. |
| 8/7/2020 |
Abilities that create replacement effects, such as a permanent entering the battlefield tapped or with counters on it, are unaffected by Sen Triplets. Abilities that apply "as [this creature] enters the battlefield" are also replacement effects and are unaffected. |
| 8/7/2020 |
You can't activate abilities of cards in the target opponent's hand. |
| 8/7/2020 |
Sen Triplets doesn't allow you to play more than one land during your turn or change when you may cast spells from the target opponent's hand. |
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