The Echo reveals Emet-Selch offered Vauthry's father a deal: bind a Lightwarden to his unborn son, and thus control sin eaters
Chandra is certainly best in decks that are more aggressively slanted, especially with any sort of mana acceleration
You can read this one as destroy all creatures and planeswalkers. You pay an extra mana for your Wrath of God, but Wrath of God never took down their Gideon, Ally of Zendikar
You can pay seven mana to meld him with The Mightstone and Weakstone to create Urza, Planeswalker, who has a whopping five different abilities you can use - and you can choose to activate two abilities per turn instead of just one
Top 10 Energy Payoffs There's an easy list to do here that I don't think has been done, and it's simply the ten most played energy cards from across all five colors
The Fast Healing ability also allows Old One Eye to keep coming back to cause more problems after it dies