Lavos, the Transmuter

Whenever Lavos, the Transmuter enters the battlefield, gain 2 life, draw a card, deal 2 damage
to any target, put a -1/-1 counter on target
creature, and search your library for a basic land,
put it onto the battlefield tapped, and shuffle.
Whenever Lavos, the Transmuter enters the battlefield, you may pay {w}{u}{b}{r}{g}. If you do, trigger this ability twice.