yugioh magician's force booster box 24er Booster-Display "MAGICIAN'S FORCE" (MFC) 2003 USA, unlimitiert Damaged* Magician's Force - Box

PP - Big Shadow 120 Randomly discard 1 card from your opponent's hand

When you Ritual Summon a Wyrm-Type monster you can Banish this card from your GY as tribute as if it were a Level 7 monster." "Can only be Ritual Summoned using "Mark of Omen" and cannot be summoned other ways

This card is identical in its use in the actual TCG to the first card featured, but the artwork was exclusive to the special Legendary Treasures set

Pops Spells/Trap cards on field, up to number of Monsters used for summon

Or fill it with your overflow cards and stash it in your bag or drawer

It seems that the design was to sign the casted card and put it in the opponent's deck