平原结界

:直到回合结束,受此结界的平原成为2/5白色的精怪生物,且具有「每当此生物造成伤害时,你获得等量的生命」。它仍然是地。
当受此结界的平原置入坟墓场时,你可以将平野源兽从你的坟墓场移回你手上。
Activating the ability that turns it into a creature while it's already a creature will override any effects that set its power and/or toughness to a specific number. However, any effect that raises or lowers power and/or toughness (such as the effect created by Giant Growth, Glorious Anthem, or a +1/+1 counter) will continue to apply.