Dominaria has long been one of the most fleshed out planes in MTGs vast multiverse - its the home of the Weatherlight crew, the artifact-aligned brothers Urza and Mishra, and it was the inflection point of a new era for planeswalkers
When you don't need any immediate action Portent is better than Ponder as it can be disruptive but this makes it a bit too unreliable for this sort of card
Underground Sea value $7,500-8,000 This card comes in three sets, Alpha and Beta with a black border
If you have no other artifacts out and ten little tokens hanging out, you'll have at least ten 11/11s running around since we're including Brudiclad as well
While it is not the cleanest mechanic, the easiest mechanic, or one you'd want to explain to someone during their first game, it certainly tends to make its way as one- or two-of in your decklists once you understand all its intricacies