You can obviously force the issue with symmetrical card draw, and it has legs in group hug decks, too
What makes them different than, say, a shield counter
Nadir Kraken by Dan Scott Nadir Kraken | Illustration by Dan Scott I love aquamarine as a color, and seeing it so beautifully displayed in the water of Nadir Krakens full art is really something
Brave the Elements can finish the game by letting us crash through blockers with little to no regard for their presence, while Eerie Interlude not only retriggers all our enters-the-battlefield effects (which gets silly with multiple Thalias Lieutenant) but also lets us dodge Wrath of God, Supreme Verdict, and any other non-damage-based sweeper
It can really turn people off, and even if its a fair tactic to a certain extent, it will make you enemies
The two red symbols mean you need to have at least two mountain mana in addition to four mana of any color to play this card