270 cards. Multiples of the same card are allowed.10 Lands (fixing).20 Artifacts.20 Multicolor cards.=> 44 cards per color
Cards should be simple.3/2 for 3 cmc are the perfect spot.
There are modification cards (e.g. +1/+0, costs 1 less to cast, etc.) that can be added to cards.Each card can be modded only once.
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