cards like sol ring mtg In Defense Of This is of Uncommon rarity Replacement for soul ring? :

Rather, a second "reflexive" ability triggers when you sacrifice another creature or artifact this way

Although its not terrible to hit a Cultivate and a Farseek when you drop the Wanderer, its not really why you sleeved up the deck

Abilities that care about the number of creatures in your party simply look for a number between 0 and 4

Vivien's -5 can be critical against an Azorius, Bant, or Esper deck where landing a spell can be impossible, except for the anti-counterspell magic of sideboard staple Shifting Ceratops

Tarrians Soulcleaver A usually better Blade of the Bloodchief, Tarrian's Soulcleaver will see wide play across a range of the kinds of aristocrats decks helmed by commanders like Elenda, the Dusk Rose, but this also seems like another payoff for treasure decks