Also, in the correct builds, you could use Master of Waves or Springjack Shepherd or something like Rite of Belzenlok or Sengir Autocrat to make a big ol' passel of dorks for four or fewer mana so at least one has arrived when the Scourger is online
7 Tatyova, Benthic Druid Turns From The Deep An interesting midrange deck that has drifted off in recent years, Tatyova, Benthic Druid provides you a way to gain some incredible advantage late in the game without casting any spells
enhance creature spells with haste in Gestalt Mode
Ramp Izzet doesn't have a ton of mana acceleration available, but all of your standard mana rocks are available , along with a couple of extra tricks
Emerald Medallion Green spells you cast cost less to cast
You also need a creature or artifact that you can tap for two or more mana, like Hedron Archive