You gotta love a clean design like this: You get to proliferate once for each spell cast that turn, and being an instant means you can fire it off on an opponents turn to piggyback off their spell count
Its okay if you miss a land drop after you already have an established board, but it can be very painful to miss the first two steps
We found it led to mind-melting board states, especially in Limited, where it was hard to track what was happening
PLANETARIUM OF WAN SHI TONG Honestly, up front this doesnt seem to do much, and perhaps it won't for decks in general
The Manabase Competitive Two-Color Mana for Aang [cards] Flooded Strand Prismatic Vista Scalding Tarn Hallowed Fountain Deserted Beach Glacial Fortress [/cards] Youve got a premium dual-color land suite fetches like [card]Flooded Strand[/card], [card]Prismatic Vista[/card], and [card]Scalding Tarn[/card] pair with dual lands like [card]Hallowed Fountain[/card], [card]Deserted Beach[/card], and [card]Glacial Fortress[/card] for consistent early plays
Vault is a little better but it is a pretty small difference as you have so much flexibility in your ordering of ramp
