Here is the full deck reveal. MTG’s Bloomburrow preconstructed ... Activate only during your turn. As for the lands in the MTG Squirreled Away precon deck, it should have a total of 38 lands.

Can you hear that? Why, I believe it's the sound of an exclusive MTG Tarkir: Dragonstorm card reveal.

The original Tarkir block had a cycle of three-color lands to match the set’s five clans, such as Sandsteppe Citadel, Nomad ...