You may use this card with all flag with "World" in its name. When this card attacks a monster, you may pay 1 life. If you do, drop the attacked monster. You may only use this ability once per turn. [Counter] [Act] "Full Counter" When a your opponent casts a Spell or Impact that would deal damage to you, you may pay 1 gauge. If you do, nullify any "do not take damage" effect your opponent applied, and your opponent takes double that damage instead!! You may only use "Full Counter" once per turn.