Zar'don, Ur-Clan Hunter

Zar'don, Ur-Clan Hunter gets +1/+1 for each other creature you control.
Zar'don, Ur-Clan Hunter gets -1/-1 for each land you control.
Sacrifice two other permanents: Add three mana
in any combination of {r}, {g}, and/or {w} to your mana pool.