Spinecrab Swarming

At the beginning of your upkeep, create a
1/3 blue Crab creature token, then surveil 1.
{3}{u}{b}{b}, sacrifice 5 crabs: create 3
token copies of Spinecrab Swarming.
Aw look, a crab! Oh gods! Theyre everywhere! Theyre eating me! - Deep ruin diver, last words