This clever loop sets up a self-sustaining cycle of growth, card filtering, and damage that quickly overwhelms your opponents. Benthic Biomancer acts as the engine, turning the placement of a +1/+1 counter into a draw-and-discard trigger. That discarded card immediately rouses Brallin, Skyshark Rider, which fires off a damage ping to each opponent and rewards you with a dose of lifegain. Finally, Heliod, Sun-Crowned watches that life enter your pool and responds by placing a fresh +1/+1 counter right back onto Benthic Biomancer, restarting the entire sequence anew.