Cube Cobra.You can do this in a Word document or Google sheet, or build your list in an online platform designed for cube builders, like [8] Cube Cobra is popular because it lets you simulate what the draft packs of your cube will look like, which can help when it comes to adjusting your cube list
Be the first to enter the world of Bloomburrow
Yeah, when you have a jackrabbit start against a creatureless deck and you can use this to get your guys back, its pretty good, but against a good chunk of the format, it either does nothing (no enters the battlefield ability) or helps your opponent out as well by giving them back a ton of good utility creatures
The Linebreaker gets the job done, plus it kind of reminds me of that one SpongeBob meme where the Flying Dutchman asks SpongeBob to stop staring at him with them big ol eyes
You can only use each effect of "Ursarctic Megatanus" once per turn