Malikai, The First of Many

Flying
Whenever Malikai, The First of Many enters the battlefield, For every {w} spent to cast it, gain 1 life.
For every {u} spent to cast it, draw a card. For every {b} spent to cast it, target opponent loses 1 life. For every {r} spent to cast it, target creature you control gains +1/+0 until end of turn.
For every {g} spent to cast it, search your library for a forest land card, put it onto the battlefield tapped. Shuffle your library afterward.