Gev gives your other creatures a bonus +1/+1 counter for each opponent who lost life already when those other creatures come into play, while also pinging them for one damage anytime you cast a Lizard spell
Infinite Combos For anyone interested in taking things a step further, there are a couple of elite infinite combos that you can pull off with Riku at the helm
While some cards, such as Ravenous Baloth, Wirewood Savage, and Advocate of the Beast, certainly provide synergy for the type, Kaheera acts as one of the only actual power-and-toughness-boosting Beasts ever
Aeve gets bigger for each other Ooze you control, though they enter one at a time, so each one will progressively be bigger than the last
There's a lot of power here, and the abilities can be leveraged in a variety of ways
So yeah, that's one giant turtle, but is it actually any good