From Scrolls Wiki
Trait: Linger: 4
Ability: When a Gravelock you control is dealt damage, your other Gravelocks get +1 Attack until end of your turn.
Flavor text: Like poking a stick in a bee's nest.
Gravelock Burrows has Linger: 4.
Gravelock Burrows and Skull Shrine share the same flavour text.
- Dec. 3rd, 2014: 0.135.2 beta: Now get +1 Attack when a Gravelock takes damage instead of +2 Attack when a Gravelock is destroyed.
- Sep. 23rd, 2014: Added to the live server