Needletooth Pack

A 4/5 body is durable enough to sit on the ground and trade all day, and that durability is exactly what makes the morbid trigger reliable: this is a growth engine that wants combat to be messy. The check happens at the beginning of your end step, so the death that turns it on has to happen during your own turn, whether by attacking into unfavorable blocks, sacrificing, or simply trading in combat. That timing constraint is the whole shape of the card. It won't reap value from an opponent's removal on their turn, which pushes it away from reactive control shells and toward proactive decks that are already comfortable making bad trades because they know something will die when they want it to. The counters landing on any creature you control is the part that ages well: a spare token, a chump attacker, or a mana dork that died in combat all feed the same clock, and the two counters can be redirected each turn to whatever threat most needs them. A defensive 4/5 quietly becomes the reason your evasive creatures start closing games early. It is green midrange design built to convert attrition into a compounding board, an engine that pays a deck back at end step for the losses it took getting there.