In short, if you get the landfall trigger in your first main phase, your creatures wont untap for your actual combat phase once the extra combat steps finish
Revolt Destroy that creature if it has converted mana cost 4 or less instead if a permanent you controlled left the battlefield this turn
Kiki-Jiki can copy Felidar Guardian, which will, in turn, flicker your Kiki-Jiki
You cannot respond or reply to the legend rule effectits just a thing that happens instantly
I suppose Im the most skeptical of the blue ones with their best cards historically being things like Snapcaster Mage and Cryptic Command, blue decks are hungry for more mana, not more cards but Sunbaked Canyon seems like a major upgrade for Boros Burn, and its easy to imagine previous Golgari and Orzhov decks that would have loved an in-color Horizon Canopy
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