Amplifire [Ravnica Allegiance Prerelease Promos] Lorwyn As a beaver's teeth grow

As a beaver's teeth grow unchecked without regular use

Ob Nixilis of the Black Oath can be your commander

that player copies it

One seastrider harvest can provide an army's worth of armor and shields

Set: Ravnica Allegiance Prerelease Promos Type: Creature — Elf Druid Rarity: Rare Cost: {1}{G} {T}: Add one mana of any type that a land you control could produce

Amplifire [Ravnica Allegiance Prerelease Promos] Lorwyn As a beaver's teeth growSet: Ravnica Allegiance Prerelease Promos Type: Creature Elemental Rarity: Rare Cost: {2}{R}{R} At the beginning of your upkeep, reveal cards from the top of your library until you reveal a creature card. Until your next turn, Amplifire's base power becomes twice that card's power and its base toughness becomes twice that card's toughness. Put the revealed cards on the bottom of your library in a random order.