Chaos: Whenever you roll Chaos, you may put an artifact from any players graveyard onto the battlefield under your control
Fateful Absence is a two-mana White instant that allows you to destroy a creature or a planeswalker, and then the controller of that permanent creates a clue token
Aetherdrift Aetherdrift play boosters is a tough one, because just like a race, there's only one winner and if you have 10 guilds racing like this set, nine losers
Legality depends on the tournament format -- Arwen Undmiel can be legal in some formats and banned or restricted in others
Even 1 damage dealt to a creature from a source with deathtouch is considered lethal damage, so any amount greater than that will cause excess damage to be dealt, even if the total amount of damage isn't greater than the creature's toughness
This card looks quite strong