Machine gunner squid

Islandwalk
Drag down (whenever this creature or a squid, octopus or tentacle you control deals damage to a creature, it gains -1/-1 counter equal to the damage dealt this way)
At the beginning of your upkeep remove all magazine counters and put 4 new magazine counters on Machine gunner squid.
Remove a magazine counter from Machine gunner squid-deal 1 damage to any target.