Another card that I feel is more of a sideboard tool but that sees a lot of constructed play both main and sideboard is Ensnaring Bridge
Gallery and List of Meld Cards Bruna, the Fading Light + Gisela, the Broken Blade = Brisela, Voice of Nightmares Fang, Fearless l'Cie + Vanille, Cheerful l'Cie = Ragnarok, Divine Deliverance Graf Rats + Midnight Scavengers = Chittering Host Hanweir Battlements + Hanweir Garrison = Hanweir, the Writhing Township Mishra, Claimed by Gix + Phyrexian Dragon Engine = Mishra, Lost to Phyrexia Urza, Lord Protector + The Mightstone and Weakstone = Urza, Planeswalker Titania, Voice of Gaea + Argoth, Sanctum of Nature = Titania, Gaea Incarnate Best Meld Cards The original meld cards never really saw much play in their time in Standard, but Gisela, the Broken Blade saw some play on its own as a solid beater in midrange decks

There are 8 in total: Yanmega ex (shiny super rare) Leafeon ex (shiny super rare) Gyarados ex (shiny super rare) Glaceon ex (shiny super rare) Pachirisu ex (shiny super rare) Mismagius ex (shiny super rare) Weavile ex (shiny super rare) Lickilicky ex (shiny super rare) These are all the crown rare cards in Wisdom of Sea and Sky
Two in particular stand out, the Skyline Despot and the Thunderbreak Regent
Using a proxy card will ensure the real thing doesnt get accidentally damaged
Collectr shows PSA population-level values for some cards