Damage to my creature? Actually...

Whenever you gain life, you may pay . If you do, this enchantment deals 2 damage to any target.

Indestructible As this creature enters, choose a player. Whenever this creature is dealt damage, it deals that much damage to the chosen player. : This creature deals 1 damage to itself.

Shivan Meteor deals 13 damage to target creature. Suspend 2— (Rather than cast this card from your hand, you may pay and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Whenever you gain life, target opponent loses that much life.

Enchant creature Enchanted creature has lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)