Topiary Stomper

Vigilance
When Topiary Stomper enters the battlefield, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
Topiary Stomper can’t attack or block unless you control seven or more lands.

Mnemonic Sphere

, Sacrifice Mnemonic Sphere: Draw two cards.
Channel — , Discard Mnemonic Sphere: Draw a card.