They have done so by making cards more flexible in their cost and effect (adventures, kicker, mutate, foretell), by adding powerful mana sink abilities for when you run out of spells, by massively increasing the amount of card selection across all colors, and by printing more spells which can double as a land when needed
The condition is determined by a variety of conditions, and the main way to judge it is a combination of the number of markings and how many there are on the card
Although this is another ulti that needs support the fact that Elspeth makes loads of tokens herself very efficiently rather negates that
In Blast from the Past, we see a Goblin flying it
Ok Dragon of Mount Gulg [Foil] #12 (Magic Final Fantasy Through the Ages) Details All prices are the current market price
Colress allows you to do this and find an Energy as well, making it one of the best Supporters despite its simple effect