Trishula, Dragon of the Ice Barrier [AP08-EN001] Ultimate Rare 5D's Wheelie Breakers Promotional Cards you can substitute this card

you can substitute this card for a Tribute(s)

you can discard 1 card to add 1 Iron Core of Koa'ki Meiru from your Deck to your hand

If this card successfully attacks directly

You can only use this effect of "Number 89: Diablosis the Mind Hacker" once per turn

or Link Monster as material becomes doubled

Trishula, Dragon of the Ice Barrier [AP08-EN001] Ultimate Rare 5D's Wheelie Breakers Promotional Cards you can substitute this cardSet: Astral Pack 8 Card type: Synchro Effect Monster Rarity: Ultimate Rare Attack: 2700 Defense: 2000 1 Tuner + 2 or more non Tuner monsters When this card is Synchro Summoned: You can banish up to 1 card each from your opponent's hand, field, and Graveyard. (The card in the hand is chosen at random.)