Your other spells work particularly well with your larger creatures
Besides draw, Amethyst is also great at controlling the board, allowing you to return your characters when challenged, and to exert (tap down) your opponents characters
Rare and mythic borderless cards have a chance to be a mana foil printing, a foil treatment that stamps Magics mana symbols into the card
Check for holographic and reverse holo features Holographic (holo) cards display a shiny effect on the Pokmon artwork only, while reverse holos apply the shimmering effect to everything except the artwork
If you have one of the cheaper versions of Mega Lucario ex, its better to keep this one safe in your binder rather than put in your deck
If this card ever leaves the field, you can target one FIRE monster in your grave and place it face-up in the spell and trap zone as a continuous spell card