I dont think theres a huge need to cast Radiant Flames out of the sideboard for three so Im not playing a third color of mana, but if there is a good reason, you could get by shaving a Forest for a Canopy Vista which is fetchable by all of the lands
In Commander, where your life starts at 40, Serra Ascendant is almost always a one-mana 6/6 Flying, Lifelink beater that your opponents always seem to start with on turn one
These show off the planes of Aetherdrift from the perspective of one of the racers, giving you a new way of looking at the action
Lightning Helix While I have never rated this card that highly I cannot deny its power
Like many Simic (blue-green) decks weve seen before, Tricky Terrain is a lands deck and its high ratio of land cards reflects that
Urzas ability works well in Humans, as the activated ability uses strictly colorless mana, and while the ability does cost five mana, Aether Vial can be used to help pay that cost, meaning Humans has 23 mana sources to activate the ability if you count fifteen non-Ancient Ziggurat Lands, four Noble Hierarchs, and four Aether Vials