mtg arcades wall deck commander Elite Assault - Arcades, The Strategist - Blue Green White - Custom Built - - EDH Arcades, the Strategist EDH Deck

Blue-White has some other cards that involve tapping and getting paid off for it too, making paying that mana all the more appealing

However, two of those are a MountainMountain and a PlainsPlains

When you do, exile target creature defending player controls with power less than Auron's power until Auron leaves the battlefield.

If youre playing any Songs while youre at it, Cinderella, Ballroom Sensation lets you exert Cinderella, so she counts for three when you cast your Song, which is a nice little bonus to your deck

An important thing to keep in mind with Spellseeker is that it is an enter-the-battlefield trigger, so if you have a way to blink it or return it to your hand to cast it again, you can get more than just one spell