A 20-card Kaladesh basic land pack
Add these auras: Mantle of the Ancients single best aura, mass recursion and wincon Glasswing Grace flexible land, gives evasion and lifelink, better on your own creature though otherwise opponent will gain life Kaya's Ghostform, Timely Ward, additional protection especially for our commander Ethereal Armor, All That Glitters, Twinblade Blessing turn any evasive creature into a game-ender once we have a critical mass of enchantments Grievous Wound is nasty, kills anyone in a hurry, especially good against Lifegain decks Eye of Nidhogg and Spirit Loop are great to slap on opponents' creatures, Loop is worded in a way that YOU (the owner of the aura) gain the life, not the enchanted creature's controller Minimus Containment, Reprobation, removal in aura form
A LIFE-MANIPULATING DECK
Read More: Why Standard will be better without Throne of Eldraine
Trigger [Trigger] Draw 1 card and rest up to 1 of your opponent's Characters with a cost of 3 or less
Im sure it wont make too much of an impact on Commander as it doesnt do anything when it hits the board, but those EDH players do love drawing cards, so itll probably hold at least some value