Cloudstone Curio - [Surge Foil, Borderless] Tales of Middle-earth Commander (LTC)Whenever a nonartifact permanent enters the battlefield under your control, you may return another permanent you control that shares a permanent type with it to its owner's hand. Aragorn took the green stone and held it up, and there came a green fire from his hand.

you may put it onto the battlefield under your control

lifelink When Primeval Spawn leaves the battlefield

The sky split

Spectator Seating enters the battlefield tapped unless you have two or more opponents

the light that clears all shadows

target creature gains "When this creature dies

Whenever a player draws a card

"Knowledge is a feast for the mind

Reborn enters the battlefield

They were just lying around

return target creature card from your graveyard to the battlefield tapped and attacking

Thus the Grand Evolution began