Eluge, the Shoreless Sea (BLB) $28.31 Cards that do funny things with lands are often popular in EDH, especially if its not land-hate, which is generally frowned upon
Garruk is a little safer to flop onto the board, comes out sooner and easier and kills a little quicker than Bolas
Then the four-cost sorcery in Gruul colors can destroy one of artifact, land, dork and enchantment too
In the right deck, this saga is a War your opponent will not survive
Hitting creatures like Custodi Squire or Messenger Jays can make sure youre really pulling the extra mile out of those cards
I understand that its a sorcery because Magmatic Sinkhole is an instant and cant block makes way more sense on a sorcery, but that tweak makes for a surprisingly lackluster removal spell in a format thats supposed to be high-powered