Oviya, Automech Artisan Oviya, Automech Artisans Elvish Piper-like ability implies itd be better off at the head of an aggro deck than pillow fort, but there are tons of green creatures and vehicles you can use as pillows
High Tide is extremely close, but then you'd ask questions like do you consider Turnabout to be a ritual? Krark-Clan Ironworks Krark-Clan Ironworks (KCI) saw a ton of play in Modern until it was eventually banned
2/4 Illustrated by Fajareka Setiawan Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Legal Modern Not Legal Brawl Legal Legacy Legal Comp
Summon: Yojimbo A 5/5 that removes a threat on ETB isnt nothing, especially when that removal is exile-based: No pesky death triggers to worry about
If you can't mill a card, you'll still follow the rest of the instructions of Ursine Monstrosity's last ability
The creature with constellation needs to be on the battlefield at the same time the enchantment comes into play to see it enter