Neos, Protector of Space

When Neos, Protector of Space enters, it deals damage to any target equal to the number of Elemental HERO creatures you control.

Landfall — Whenever a land you control enters, put a +1/+1 counter on target Elemental HERO you control. If you control eight or more lands, draw a card.

Omnath, Locus of the Roil