It's not the ideal board wipe in a deck full of mana rocks, but the opportunity cost on it is so low, and it's better to sweep the board than to die (unless the game has already gone on for like an hour)
Id love to have the infamous Sorrows Path here, but Ive previously talked about it in an even more fitting list, so its time for Raging River to get the spotlight
Its a high-priority target for removal, so make sure you play a little protection or recursion to keep it around
This card may not be the strongest choice for an elf commander, but it can fit well into the type-focused build
Ulamog, The Defiler just barely beat out Emrakul, the World Anew by about $50
This asks way too much of you for a 7-mana card