mtg thraximundar commander deck Card Analysis and Strategy Guide defending player sacrifices a creature Thraximundar (#142) (borderless)

Bristling Hydra: [Category 2] ETB yield is 3 Energy for 4 mana, then you can spend 3 Energy to place a +1/+1 on this creature and give it end of turn Hexproof

Even worse than Time Spiral, the Jar required no activation cost once it was on the table

This lets you double up on Vampires early, creating a mighty swarm that can easily take out an opponent or two given the number of lord effects and mass buffs the creature type has access to

If its destroyed, another Reptile can be banished from the graveyard to special summon this card again

A 2/3 flash might also be able to surprise sometimes an opponent and to block a small early creature like Arcbound Prototype or Cabal Initiate