Magic Jammer [SD5-EN034] Common 237 it is unaffected by other

it is unaffected by other card effects until the end of the Damage Step

Set: Soul Fusion Card type: Link/Effect Monster Rarity: Super Rare Attack: 2500 2+ Effect Monsters

when a Synchro Monster(s) is Special Summoned

The cards that are already on the field before this card's activation are unaffected by this effect

Set: Master Collection Volume 1 Card type: Effect Monster Rarity: Secret Rare Attack: 0 Defense: 0 Select 1 monster on your opponent's side of the field and equip it to this card (this effect can only be used once per turn and you can only equip 1 monster at a time to this card)

Magic Jammer [SD5-EN034] Common 237 it is unaffected by otherSet: Structure Deck: Warrior's Triumph Card type: Counter Trap Rarity: Common Attack: 0 Defense: 0 Discard 1 card from your hand. Negate the activation of a Spell Card and destroy it.