Changeling (This card is every creature type at all times.)

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Whenever you cast a spell with converted mana cost 3 or less, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.

{R}{W}{U}{G}: Kelsa'aang, Master of Adaptation gains hexproof until end of turn. Activate this ability only once each turn.