Trap Cards (Japanese: カード Torappu Kādo) are cards with purple-coloured borders that have various effects. Unless stated otherwise, a Trap Card must first be Set and can only be activated after the current turn has finished.After that, it may be activated during either player's turn.Trap Cards are Spell Speed 2, with the exception of Counter Trap Cards, which are Spell Speed 3. Trap Cards may be chained to Spell Cards, other Trap Cards, or to the effects of Effect Monsters.rap Cards (Japanese: カード Torappu Kādo) are cards with purple-coloured borders that have various effects. Unless stated otherwise, a Trap Card must first be Set and can only be activated after the current turn has finished.