grand archive card sleeves - Chronowarp Sold in packs of 100 deck guards Dragon Shield Sleeves: Matte Art:

This is very useful with Red Eyes, Blue Eyes and other cards that your have only one copy of

You could also do this in a Voltron deck, although the second ability is less relevant

Aside from there being some solid options for Bird cards in Bant, like Derevi, Empyrial Tactician, there are also cards like Murmuring Mystic and Flurry of Wings that can create Bird tokens for you

Dialgas VSTAR attack can pop off out of nowhere to steal games - although it takes a lot of Energy Cards, you can sit behind the newly released Diancie to avoid any Bosss Orders while you setup

You receive a plain, unboxed packet instead of a themed booster pack and get to flip through 50 random cards to find out what you got

Gains ATK equal to the difference between the Pendulum Scales of the 2 cards in your Pendulum Zone x 300