Theerio, Bright Sprout

: Whenever a land enters the battlefield under your control, create a 1/1 green saproling creature token.
+2: Choose target permanent. If that permanent is a land you gain 2 life. If that permanent is a creature, put two +1/+1 counters on it. Untap it.
-3: Search your library for up to two basic land cards and put them into your hand. You may play an additional land this turn.