ALIN-JP000 Master of Dragon Lord / Dragon Master Lord
DARK Dragon / Xyz / Effect
Rn12 5000/5000
2 Level 12 monsters
(1) This Xyz Summoned card cannot be destroyed by your opponent’s card effects, also your opponent cannot target it with card effects.
(2) If this cards attacks a Defense Position monster while you have 25 or more cards in your GY, inflict double piercing battle damage.
(3) Once per turn, if your opponent has 25 or more cards in their GY: You can detach 1 material from this card; Special Summon 1 monster from your Deck, Extra Deck, or GY.

source