If a spell or ability an opponent controls causes you to discard Wilt-Leaf Liege, and both Wilt-Leaf Liege's ability and another ability (such as that of an opponent's Leyline of the Void) instruct you to put Wilt-Leaf Liege somewhere else instead of putting it into your graveyard, you choose which one to apply.

If you discard Wilt-Leaf Liege and put it onto the battlefield, you've still discarded it. Abilities that trigger when you discard a card will still trigger.

Wilt-Leaf Liege's first two abilities are separate and cumulative. If another creature you control is both of the listed colors, it will get a total of +2/+2.