Omnath, Locus of Death

Landfall — Whenever a land enters the battlefield under your control, put a +1/+1 counter on Omnath. If that land was a Plains, you gain 5 life, if it was an Island,
draw a card, if it was a Swamp, target player discards a card, if it was a Mountain,
Omnath deals 3 damage to any target, if it
was a Forest, Omnath fights up to one
target creature.