This allows it to prolong battles and sustain itself
Card advantage is pretty easy to understand at worst, you generally want 1 of your cards to trade with one of your opponents cards, like when your Doom Blade kills an Eidolon of the Great Revel
But then the ability, unlike the other members in the cycle, does not give the Adversary +1/+1 tokens, but valor ones
According to regular Hardened Scales player KePs, however, EOE gave the archetype more cards than MH3. KePs proved this point rather neatly when they took the deck to a 5-0 finish in yesterdays MTGO Modern League
The Serpent Society Although theres not a dedicated poison deck in Standard, your opponent cant target The Serpent Society twice in the same game
The Nintendo DS Lite was later released in January 2006