1 card infinite mana! (kind of)

Flying When this creature enters, untap up to seven lands. : Return this creature to its owner's hand.

Each land is a Swamp in addition to its other land types.

Choose one — • Search your library for up to two creature cards, reveal them, put them into your hand, then shuffle. • Put up to two creature cards from your hand onto the battlefield. Entwine (Choose both if you pay the entwine cost.)

, : Add for each Swamp you control.

Trample Whenever this creature enters or attacks, you may search your library for up to two land cards, put them onto the battlefield tapped, then shuffle.