Lands have been diptychs to full panoramas of four card artworks
Treasure Tokens are artifacts with a one-time ability that allows them to sacrifice themselves for one mana
Cityscape Leveler will see a ton of play in Standard, and I hope the majority of it is from the control side
"Three Rings for the Elven-kings under the sky, Seven for the Dwarf-lords in their halls of stone, Nine for Mortal Men doomed to die These feature the language of the High Elves, Quenya, in Tengwar letterforms
Triggered abilities use the word "when," "whenever," or "at." They're often written as "[Trigger condition], [effect]." Some keyword abilities, such as prowess and fabricate, are triggered abilities and will have "when," "whenever," or "at" in their reminder text
While your deck building will vary depending on who you put at the helm, your commander choice should not mean your deck does not function without it