At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.) Watermark: Ojutai Illustrated by Lars Grant-West Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
Unfortunately, it only mills one opponent at a time, making this an inefficient choice for Commander mill decks
On the other hand, the new Level 2 DARK baby ruler is Nebulous, Dragon Ruler of Shadows (YGOrg Translation) , and it can be discarded with another Dragon to Special Summon 2 of your banished Dragon Ruler monsters
There are a lot different holo variants in this set but i wanted to collect the first silver foil print
Ancient Silver Dragon is a touch more costly and has a wildly high ceiling
In most cases, it seems to have an additional effect, so if you can use it, it's very powerful, but if you use it for general purposes, you don't have to think about this effect