In short these days, its really not too difficult to build a Commander deck that allows you to fully unleash Exavas power
Being able to sac one of your own Gobby tokens in order to destroy an opponents powerhouse artifact combo piece or game-warping colorless permanent is quite an impactful trade-off, so if you keep losing to Chimil, the Inner Sun or The Immortal Sun (or other, non-Sun-related artifacts), nab a copy of this bruiser and profit mightily
Make sure you have enough graveyard recursion, re-shuffle cards like Enhanced Survillance, Feldon's Cane or Finale of Revelation, or anti-mill win conditions like Laboratory Maniac as backup plans for when you surveil a bit too vigorously
Bloodline Necromancer Bloodline Necromancer is a prime example of a creature that gets a boost from lifelink, even though it has nothing to do with the other abilities
Fake cards have an almost "bolded" symbol in the bottom right-hand corner