Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, this creature deals 2 damage to that player.

Whenever a creature enters, this enchantment deals 2 damage to it.

Enchant creature Cumulative upkeep {R} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Enchanted creature's controller can't cast creature spells.

Your opponents can't search libraries. If an opponent would begin an extra turn, that player skips that turn instead.