I especially liked the inclusion of Runo Stromkirk, as I ran a Runo deck for a few years with a bunch of sea monsters in it
That makes it a perfect place for these landcycling spells: They keep the land drops coming in the early game and make for reasonably powerful spells with high mana values to cascade both into and out of
The ability puts some number of +1/+1 counters on that creature (the number after the renown keyword)
You don't have to reanimate five different creatures for it to be good
Outside of a combo, having the option to pitch some unneeded lands for extra life can be crucial for survival in a game, especially if you have a Ramunap Excavator-style effect where you can replay the land, tap it for mana if able, and gain the 3 life anyways
This card helps speed that process up, and I cant actually think of a single game I have lost when I played this card on turn 3 on the draw