His most recent appearance in a card game was in Dungeon Mayhem: Battle for Baldur's Gate
That said, replacing either the basic Island or an Underground Sea with whichever blue land allows you to splash into a third color can be perfectly fine for sideboard answers and is actually what I do in Legacy for Bant, and what I sometimes try in Modern for Bant as well
Those players who brave the dragonstorms and emerge victorious will make it to Day Two, which features Tarkir: Dragonstorm Draft
2 Ride The Shoopuf All Aboards
The interesting part is that greens card advantage is tied to its creatures, caring about them dealing combat damage or their power
If its your first time competing in a tournament, I would definitely double-check the legality of all your cards, but otherwise, take it easy