Unicycling Automaton [Unknown Event] Basic Land Whenever a Mountain enters the

Whenever a Mountain enters the battlefield under your control

we have included this corrected copy of Corpse Knight

Exile the top card of your library: Put X +1/+1 counters on Phyrexian Devourer

Set: Mystery Booster Type: Artifact Rarity: Rare Cost: {4} At the beginning of each player's draw step

Unicycling Automaton [Unknown Event] Basic Land Whenever a Mountain enters theSet: Unknown Event Type: Creature Construct Rarity: Common Hand Backup 1 (When this creature enters the battlefield, you may reveal a creature card from your hand. When it eventually comes into play, if you cast it from your hand, it enters with a +1 +1 counter. It also gains the following ability until end of turn.) Basic Landcycling 1 (1, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)