Some of those dual sets include To Have Seen the Battle Rainbow [SM3H] / Darkness that Consumes Light [SM3N], Skyscraping Perfection [S7D] / Blue Sky Stream [S7R], and Snow Hazard [SV2P] / Clay Burst [SV2D]
As a sorcery, you may pay the mana cost of a locked door to unlock it.) The additional 2 damage is dealt by the same source as the original source of damage
Any cards that didnt make the cut from Japanese sets, which is around 30, are slated to drop in an SV4.5 English set in January
Green also has plenty of other cards to help players get extra mana like Magus of the Vineyard, Heartbeat of Spring, or Eladamri's Vineyard
I think this is a significant improvement in the archetype
The layout is also not especially smooth for fast, one-handed phone use