It is flexible in that it can pivot from questing to challenging based on the board state, and it can take advantage of quite a few synergies to give you the upperhand
Maelstrom Pulse seems like an easy include, and any of the following seem like decent answers to cards that might pose problems: Vindicate, Utter End, Swords to Plowshares, Dire Tactics, Urza's Ruinous Blast and Crib Swap
Land Color tag templates(None) Plateau Land - Plains Mountain Color tag templates(None) Polluted Delta , Pay 1 life, Sacrifice this land: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle
So what creature is this
Cast Dragon's Claw | Illustration by Alan Pollack According to MTGs Comprehensive Rules, heres the formal difference between play and cast: 701.4
However, what will impact their value the most is just how hard they are to pull