Monsters (90) Duel Decks: Izzet vs
This has some synergy with Arthur Marigold Knight, but overall the effect can be good in multiple decks like Elesha and Yuriko
Sauron, the Dark Lord costs seven in Grixis colors, so no easy feat on subsequent castings
I have a few of those, but the one I will never abandon if I'm playing Grixis colors is, well, the ultimate thing to do with seven mana
The ability to sacrifice it to tutor any other land in a player's deck is certainly powerful, though an effective 4 mana (3 + tapping Urza's Cave) to activate is a steep cost in a format as potentially fast as Modern
While most Magic players will say we have Dockside at home, Im not going to stoop quite that low