Your Blue-Eyes is neat, but in this age and day 8 mana for an 8/6 Flying Menace is pretty 'meh', Baneslayer is a joke in Commander, 8 drops see play in Commander if anywhere, and I feel like this isn't impactful enough for a 'play and wait' card
There are no timing restrictions to boast other than it has to happen after attacking with that creature, and it can only be activated once per turn
Your opponents will have to rebuild their field while you still have a lot of creatures to swing with
Heres what to do materials: White felt cut a rectangle 5.5cm x 17.5cm (if they have a lot of cards and you want to make it hold more increase the 17.5cm measurement for all the pieces) Black felt cut a rectangle 2.5cm x 17.5cm Red felt cut a rectangle 6.5cm x 17.5cm Red felt cut 2 x 8cm x 12.5cm for the internal pockets Black felt cut a circle with a diameter 6.5 cm White felt cut a smaller circle with a diameter of 4.5cm Elastic (0.5cm width) 16cm length Matching thread in white, red and black sewing instructions for the pokemon deck case: General Use a straight stitch and sew about 0.5cm from the raw edge unless specified otherwise
In fact, playing cards can be seen in a variety of unique shapes and sizes
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