This land enters tapped.: Add or .: Until end of turn, this land becomes a 3/3 red and green Elemental creature with "Whenever this creature attacks, put a +1/+1 counter on it." It's still a land.
If Leyline of Abundance is in your opening hand, you may begin the game with it on the battlefield.Whenever you tap a creature for mana, add an additional .: Put a +1/+1 counter on each creature you control.