In Commander where you could easily be dialing against 3 or 4 enemies at once, he draws you gas without ever thinking about it, and can shoot a player, planeswalkers, or creatures, for 5 or 6 damage each go around the table
Virtue of Knowledge Virtue of Knowledge has the Elesh Norn, Mother of Machines / Yarok, the Desecrated text on a blue enchantment
While Zendikar Resurgent is expensive, it's well worth it here
Nemesis Mask can allow a beefy or otherwise indestructible creature to singlehandedly decimate an opponents front line
For five mana, this sorcery causes each non-vampire creature to get -X/-X until the end of the turn where X is equal to the number of vampires its caster controls
The Eldrazi deck is going to make waves in Legacy