Its a complicated mechanic for sure, and one of the most individually complex mechanics overall, but not the worst mechanic if you ask me, and at the same time it's easy to grasp since it heavily draws from LotR lore
The Modern Horizons 3 Play Booster Pack includes 15 cards
The first ability costs three mana and turns a permanent into an Artifact, which is fun, but often not great on its own
This Adventurer's real power comes from when it attacks, letting you exile the top card of your library and play it this turn
Consider playing Palantir of Orthanc in a Thassas Oracle self-mill deck, for instance
The idea is that I use Dragon Throne to pump my team, I attack, and before damage I use High Market or a removal spell to get rid of my combat damage replacement effect