Number XIV: Seikyo

When Number XII: Seikyo dies, if it was
destroyed by combat damage, each player loses X
life, discards X cards, sacrifices X creatures, then
sacrifices X lands where X is the power of the
creature that destroyed Number XII: Seikyo.
Immortal (If a creature would deal damage to this creature, prevent that damage unless that creature's
power is higher than its base power)