Paladins of Bonds and Unity

1 Tuner + 1+ non-Tuner monsters with 2500 original ATK and DEF
This Synchro Summoned card cannot be destroyed by, or targeted by, your opponent's card effects. This Synchro Summoned card gains 100 ATK/DEF for each card on the field and in the GYs while there are 25 or more cards in your GY. Once per turn, when a Spell Card is activated and your opponent has 25 or more cards in their GY (Quick Effect): You can negate the activation, and if you do, destroy that card.