Ill focus on Commander, with a nod towards other formats where I think something deserves mention
Chart shows the price of Jumbo Cactuar [Borderless Foil] #343 at the end of each month going back as long as we have tracked the item.
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Its randomness still needs to be accounted for, so you should only ever tutor creatures that youre okay with discarding
Its also nice that Kitt Kanto, Mayhem Divas ability is what taps your creatures, so you can use creatures with summoning sickness to activate it

Three-Color Gold We hit the Shards of Alara three-color gold theme, no strings, with an uncommon cycle ( We also explored "colored permanents matter." We did this mechanic as recently as Shadowmoor and Eventide: Where Shadowmoor and Eventide made blue cards that like blue things, Conflux put the color-matters effect on its ally color card to lean heavier on "gold-matters" than "hybrid-matters." These are sprinkled throughout the set on creatures and instants such as This mechanic, incidentally, allows us to create "one-drop gold creatures" like We consider it bonus inter-block synergy, that, for example, We also did a few off-color activations at common, on cards such as Finally, there was a full-blown uncommon cycle of "CE" activations for better upside: Guess the Conflux Card from its Art Comments Minigame [Doug Beyer] 6/13/08: The "puppet" still needs to look organic enough to pass as a living human