Earthquake¶

<instant> During a Town siege:
<power> 0 ➣ Remove 1 Gate or Wall obstacle of your choice.
<power> 1 ➣ Remove 2 Gate or Wall obstacles of your choice.
<power> 2 ➣ Every unit adjacent to a Wall or Gate obstacle suffers 1 <damage>. Remove all Gate or Wall obstacles.
— OR —
<instant> +1 <power>