Avalanche Riders [Mystery Booster] Promotional Schemes put the top card of

put the top card of your library into your graveyard

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

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

create that many 1/1 black Insect creature tokens

Spells of madness often require a sacrifice of sanity

Avalanche Riders [Mystery Booster] Promotional Schemes put the top card ofSet: 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.