Secret Lair Drop

World Shaper

Whenever this creature attacks, you may mill three cards.
When this creature dies, return all land cards from your graveyard to the battlefield tapped.

Outlaws of Thunder Junction Commander

Whenever World Shaper attacks, you may mill three cards.
When World Shaper dies, return all land cards from your graveyard to the battlefield tapped.

New Capenna Commander

Arena Beginner Set

Rivals of Ixalan

Whenever World Shaper attacks, you may put the top three cards of your library into your graveyard.
When World Shaper dies, put all land cards from your graveyard onto the battlefield tapped.