Dragalge ex is classified as a 4-Diamonds card in the Mega Rising set
There are often adhesive residues here, or the adhesive blends with the Blue Core Layer, making it harder to see
Tough Luck This combo is a bit ancient, being one from the X&Y era, but it's too iconic not to include, especially when talking about how illegal it feels
Knightmare Phoenix also protects co-linked monsters from being destroyed by battle
I beat High Tide, Merfolk, Jund, Combo Elves, RUG Delver, Death and Taxes, Esper Stoneblade, U/W/R Delver, and Reanimator to finish Day 1 with a perfect record of 9-0
With some luck, the Pack Hourglasses you acquire from those battles might see you acquire the last few cards you need