Avatar of Growth

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.

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

Reach

When this creature enters, for each opponent, destroy target noncreature permanent that player controls. For each permanent destroyed this way, search your library for a Forest card and put that card onto the battlefield tapped. Then shuffle.

When this creature dies, you may search your library for up to three Forest cards, put them onto the battlefield tapped, then shuffle.

Reach

Ulvenwald Hydra's power and toughness are each equal to the number of lands you control.

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

When this creature enters, you may search your library for a nonlegendary green creature card with mana value 3 or less, put it onto the battlefield, then shuffle.