Whenever this creature attacks, if it doesn’t have first strike, put a first strike counter on it.
Whenever this creature attacks, if it has first strike, it gains double strike until end of turn.
![Momentum Rumbler [Ikoria: Lair of Behemoths]](https://inekosingles.com/wp-content/uploads/ineko-product-images/5e/5e6fe22bb2341d8544d979bcc4082a404bbe2fbb187fabca38c753a69f564e39.webp)
![Momentum Rumbler [Ikoria: Lair of Behemoths]](https://inekosingles.com/wp-content/uploads/ineko-product-images/5e/5e6fe22bb2341d8544d979bcc4082a404bbe2fbb187fabca38c753a69f564e39.webp)
Whenever this creature attacks, if it doesn’t have first strike, put a first strike counter on it.
Whenever this creature attacks, if it has first strike, it gains double strike until end of turn.