Its probably not good enough for Vintage, but it is a fantastic sideboard card to bring in against creature-heavy decks in Legacy
Devouring Tendrils does exactly the same as Rabid Bite for the same cost but includes Planeswalkers and possibly gains you 2 life should you kill the creature or planeswalker youre attacking
Good Budget Steel/Sapphire Deck For the budget version of the deck, the goal is to add consistency by slimming down the deck and focusing on the things it already does well: ramp, large bodies, and controlling the board with damage-dealing actions
He's pretty fun from where I am sitting, n'est pas
Card draw can also improve our chances of success, but it does so by adjusting a different variable
Finding these cards is great, but it wont happen all the time