These are not the only bargains out there, but they are truly the biggest and most powerful pieces of cardboard you can find for their respectively small price tags
Energy Crush allows you to easily punish those decks for having a board of Energy to score some high profile OHKOs
There are plenty of ways to mess around in multiplayer Commander games, but one of the most entertaining is the group hug strategy, which is where you basically try and win the game via friendship
Similar to Spirits, and a trend that most of the remaining decks follow, most of the money is in the mana
And yes, while lands are technically colorless, Ketria Triome still taps for all the Temur colors, is fetchable since it has all three Temur basic land types, and has a Temur color identity as far as the rules of Commander are concerned
Seven Dwarves allows you to fill seven of your dwarf Creature slots and will only cost you a few quarters each