Because the surveil lands have basic land types, you can grab them with fetch lands or cards like Claim Jumper which makes them viable in just about every format
You can use it on an opposing Commander which is legendary to half its power and toughness to double the turns needed to kill you with Commander Damage due to the legendary rule one copy would die
Really thinking this through
While not as defensive as Steel is in the video games, Metal is a Pokmon card type with some solid protective abilities
Ironhoof Boar (Card) Ironhoof Boar 0.04%inclusion 1.70K decks 4.73M decks Wolverine, Fierce Fighter 0.7%inclusion 2 decks 272 decks Tony Stark 0.0%inclusion 2 decks 5.06K decks Iron Fist, Hero for Hire 8.3%inclusion 1 decks 12 decks Spider-Man, Web-Spinner 3.6%inclusion 1 decks 28 decks Spider-Man, New Champion 2.4%inclusion 1 decks 42 decks Top Commanders Captain Howler, Sea Scourge 1.2%inclusion 132 decks 11.3K decks Raggadragga, Goreguts Boss 0.9%inclusion 82 decks 8.86K decks Extus, Oriq Overlord 0.9%inclusion 64 decks 7.37K decks Mr
Is that better than just playing Bident of Thassa in Mono-Blue Devotion or Sphinxs Revelation in a control deck