Ondu Giant

When this creature enters, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

When this creature enters, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When this creature enters, you may search your library for a basic Forest or Island card, put it onto the battlefield, then shuffle.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Whenever this creature enters or attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.