ultra pro eclipse card sleeves Gloss Standard DECK PROTECTOR Sleeves: Lemon Yellow - 105ct This item has a matte front and is suitable for standard Ultra Pro eclipse sleeves. :

During the End Phase of the turn this card was activated, you can return this card to you Deck, and add a "Sigil" Continuous Spell or Trap Card to your hand, except 'Sigil of Justice'.[/spoiler][/spoiler] [spoiler=Update May 27th, 2015] [spoiler=Great Tengu] Cannot be Special Summoned

You can combine this with Lions Eye Diamond or Black Lotus to generate the mana and then cast Brain Freeze from the graveyard by exiling 3 cards from the graveyard

Try making multiple fusions with one card and destroy the card

return it to the hand, and if you do, Special Summon this card, then Special Summon 1 "Pyrite Token" (Warrior/FIRE/Level 4/ATK 0/DEF 2000) to your opponent's field in Defense Position

They dont just sit in your deck looking pretty