Unicycling Automaton [Unknown Event] Treefolk Aura Whenever another nontoken artifact enters

Whenever another nontoken artifact enters the battlefield under your control

Selling their eggs

When Solitude enters the battlefield

"There are no trees like the trees of that land

Then do it again

Unicycling Automaton [Unknown Event] Treefolk Aura Whenever another nontoken artifact entersSet: 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.)