Keeper of Dragon Magic [CT15-EN004] Ultra Rare Advent Calendar 2018 During your opponent's Main Phase

During your opponent's Main Phase (Quick Effect): You can Tribute this card

Once per battle

Set: Structure Deck: Powercode Link Card type: Continuous Trap Rarity: Common Activate this card by targeting 1 face-up Attack Position monster on the field

add up to 2 "Thunder Dragon" from your Deck to your hand

Keeper of Dragon Magic [CT15-EN004] Ultra Rare Advent Calendar 2018 During your opponent's Main PhaseSet: 2018 Mega Tins Card type: Effect Monster Rarity: Ultra Rare Attack: 1800 Defense: 1300 If this card is Normal or Special Summoned: You can discard 1 card; add 1 "Polymerization" Normal Spell or "Fusion" Normal Spell from your Deck to your hand. You can reveal 1 Fusion Monster in your Extra Deck; Special Summon 1 of the Fusion Materials whose name is specifically listed on that card from your GY in face down Defense Position. You can only use each