Indestructible, Vigilance, Lifelink

{X}{X}{R/W}: Karna, Hero of Charity deals X damage to a creature or get +X/+0 until end of turn

{8}{W}{W}{R}{R}: Karna, Hero of Charity loses indestructible and gets +X/+0 until end of turn, where X is your life total. at the end of combat, if you still control Karna, Hero of Charity or your life total is over 60, destroy all creatures but Karna, Hero of Charity, you take 5 damage for each creature destroyed this way. then for each player, destroy two lands they control