Savir, the Molten Son

indestructible
Landfall - whenever a Land enters the battlefield
under your control, Draw 3 cards as Savir, The
Molten Son is played, all opponents spell require
an additional cost of {3} or pay 3 life. exile
creature card and put a +X/+X counter on Savir,
X is determined by the Exiled Creatures
Power/Toughness.