When your opponent Normal or Special Summons a monster(s): Target 1 of those monsters and 1 Spellcaster-Type monster you control; send both monsters to the Graveyard, then you can Special Summon 1 DARK Spellcaster-Type monster from your Deck or Graveyard.
How to Get
Sends from your field to your Graveyard / Sends from your opponent's field to your opponent's Graveyard
Special Summons from your Deck / Special Summons from your Graveyard
but idiots that dont run ama as i said in my earlier comment would special summon dmoc on the same turn instead of summoning a dark magicican and then using dedication between light and darkness in the battle phase for dmoc special summon after dark maggician attacks with the final blow lol thats the differnce between a gold or lower and a plat and above player
I think this card is UR card. if someone set this first turn and summon a spellcaster type monster (blue dragon summoner lower ATK) and opponent set 1 card what can negate that trap, but summon a monster in ATK position... UGH.. Summon Dark Magician or better ATK monster. blue-dragon summoner is sent to the grave, add Leo. 1700+2500= 4200. if mirror wall is a set card, enemy survive for one turn. so... if someone have 3 card of this... i think next possible KingOfGames decks are Spellcaster type monsters.. or Yugi's Destiny draw skill can get easily the trap, use and when opponent summon a monster you can use it and survive. (i think if the add this card, this card is limited.)