yugioh armor cards Yu-Gi-Oh! - Metalsilver (MFC-037) - Magicians Force - Unlimited Edition up cards your opponent controls Sakuretsu Armor | Card Details

When attached to a Metal Pokmon card, that Pokmon takes ten less damage from the opponent's attacks

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And with that criteria the answer is clear

To help you achieve that honorable end, set 10 grants Amber a helpful protectorate in the form of Rapunzel Ready for Adventure

The first is a triggered ability: "When this permanent enters the battlefield, target player may search their library for a card named [name], reveal it, put it into their hand, then shuffle their library." (2023-11-10) Note that the target player searches their library (which may be affected by effects such as that of Stranglehold) and that the card they find is revealed, even though these words aren't included in the ability's reminder text

It does ask for a well-stocked graveyard and while Tricky Terrain isnt super adept at making that happen, there are plenty of Commander decks out there that can