Enter Lost in the MazeLost in the Maze, a card that can both protect your creatures at instant speed while also tapping down opponents' and giving them Stun counters
Originally the chroma ability for this card counted mana symbols on permanents in play, but we had too many chroma cards doing that and we were looking for some different places to look for mana symbols
You see a lot more 7/8 and 8/9 Goyfs in cube than you do in constructed even if the average size is lower
A deck can contain not more than 4 copies of cards with the same card number
Barry said he had some stuff but it was in his garage/basement/storage (some place like that that was alluded to being a mess) and that he'd get around to it, or some such thing
In a deck dedicated to playing cards of all five colors, Bloom Tender routinely taps for three, four, or even five mana, providing a burst of both ramp and perfect color fixing