Don't forget about cards that create artifacts of their own when they enter the battlefield like Thraben Inspector or Roxanne, Starfall Savant
Art Director Ovidio Cartagena tells me this was one of their very first ideas for the set, saying Middle-earth has such a specific geography, and it is of course one of the genius details of storytelling that influenced a lot of subsequent works in fantasy and science fiction
It is absolutely soul-crushing to watch your massive Orc Army disappear to a timely Swords to Plowshares or Path to Exile, let alone watch your 14/14 get blocked by a measly 1/1 goblin with no repercussions
I just loved combining Jinnie with Elven Ambush to turn a horde of Elves into a flurry of Cats
(Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.) If, during a player's declare attackers step, a creature that player controls that's been goaded is tapped, is affected by a spell or ability that says it can't attack, or hasn't been under that player's control continuously since the turn began (and doesn't have haste), then it doesn't attack