There's more than enough support with flicker, blink, and various counter-manipulation cards like Power Conduit and proliferate, but if you look over the Sagas we've seen so far, only a handful are generically good cards that you can play in any deck, while many of the others are powerful but need to be used in a specific archetype, like The Antiquities War in an artifact deck, The Flame of Keld in some sort of aggro or combo shell, and The Mirari Conjecture in spellslinger
4 Emerald/Ruby Ruby has another interesting pairing for aggro decks with the Emerald/Ruby strategy, constituting the biggest exception to Amber's dominance in aggressive play
In video games, when a card in the Graveyard activates, or is targeted by, a card effect, it is placed on the top of the Graveyard
For example, Sculpting Steel (a noncreature card in the graveyard) can be put onto the battlefield as a copy of a creature, but Phyrexian Metamorph (a creature card in the graveyard) can't be put onto the battlefield, even if it would copy a noncreature artifact