Myriad Landscape [March of the Machine Commander] Hydra Hound which rely on Armageddon as

which rely on Armageddon as a major threat card

Set: Kaladesh Promos Type: Legendary Planeswalker — Nissa Rarity: Mythic Cost: {3}{G}{G} +1: Untap target land you control

it gains the following ability until end of turn

Set: Scars of Mirrodin Type: Instant Rarity: Uncommon Cost: {U} Switch target creature's power and toughness until end of turn

Myriad Landscape [March of the Machine Commander] Hydra Hound which rely on Armageddon asSet: March of the Machine Commander Type: Land Rarity: Uncommon Myriad Landscape enters the battlefield tapped. T: Add C. 2, T, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle your library.