Paying 10 mana to untap all your lands is a pretty dangerous ability to try and use in Standard, but in Commander you've got a lot more life to work with and can potentially leverage this effect in a lifegain deck for tons and tons of ramp
RiP reduces those cards' value, but doesn't remove their impacts completely, rendering such dedicated graveyard hate ineffective
This is the second highest scoring card that's actually fun to play against, but not until #1
Even without cutesy creature types in your deck, this is a fine way to either draw extra creatures or fill the yard, though Id probably want my graveyard to matter before I get really excited to play Bison Whistle
Our final Goblin Grenade (by Ron Spencer) is surprisingly badass, having the goblin be decked out in badass spiky black armour, holding a fish-bone spear of sorts, and a massive cylinder on his back with a fuse that he's ready to pull
Squall, SeeD Mercenary [Borderless Surge Foil] #547 Magic Final Fantasy Keep track of your collection value over time