Avalanche Riders [Mystery Booster] Promotional Schemes create two 1/1 blue Thopter

create two 1/1 blue Thopter artifact creature tokens with flying

create that many 1/1 black Insect creature tokens

Exile Shreds of Sanity

Set: Urza's Legacy Type: Creature — Viashino Scout Rarity: Common Cost: {1}{R} Haste (This creature can attack and {T} as soon as it comes under your control

to Sarkhan Vol

Avalanche Riders [Mystery Booster] Promotional Schemes create two 1/1 blue ThopterSet: Mystery Booster Type: Creature Human Nomad Rarity: Uncommon Cost: {3}{R} Haste Echo {3}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When Avalanche Riders enters the battlefield, destroy target land.