3mv cards like Cultivate are often fantastic in decks with commanders that cost five or six mana since they greatly increase the chance of playing these cards ahead of schedule while providing additional benefit over their 2mv competitors
Lightning Helix "Basically the awesomest card ever." Life gain gets no respect, because when you invest mana and cards in life gain it has the nasty habit of not making a difference, especially when you're trying to play a burn-heavy game, which either involves trying to burn out an opponent or all opposing creatures
Cleanfall Cleanse Cleansing Cleansing Beam Cleansing Meditation Cleansing Nova Cleansing Ray Cleansing Screech Cleansing Wildfire Cleanup Crew Great Unclean One Honden of Cleansing Fire Ironwright's Cleansing Myojin of Cleansing Fire Planar Cleansing Seal of Cleansing Spring Cleaning Suncleanser Temporal Cleansing Wipe Clean
Lastly, if you have highly-valuable cards in your Commander decks and Cubes, I recommend double-sleeving
This drove the hype for the set even higher with individuals and businesses offering hundreds of thousands of dollars before the card was even opened
Illustrated by Simon Dominic Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp