Here are the top favorites: Monkey.D.Luffy OP05-119 Luffy earns the top spot for his explosive swing potential and game-changing On Play effect
For example, if you put Null Profusion (an enchantment that says your maximum hand size is two) onto the battlefield and then put Venser's Journal onto the battlefield, you'll have no maximum hand size
This gives the designers a much smaller environment to attempt to balance
Abhorrent Oculus Abhorrent Oculus is way above the curve as a 5/5 flier that manifests a 2/2 every turn
The value of cards on Arena is determined by their rarity on the client, meaning that one of the more powerful planeswalkers and mythics on Arena in Tezzeret, Cruel Captain, has an identical value to a card like Kylox's Voltstrider, another mythic that sees absolutely no play in any formats
For each opponent who does, you gain protection from that player until your next turn. Those are a lot of words, but it basically means good things for your fancy noble legendary creature