Including payoffs for drawing cards can be very effective in an Unctus deck along with cards like Teferi's Ageless Insight, which improves the quality of the card draw granted by Unctus
Even when this card is defeated in a challenge, the player may draw a card when Robin Hood is banished
We will not go through every single promo variant here but rather focus on a few key promo cards and mistakes that can be made
This PokmonTCG: Azure Legends Tin includes
While this is undoubtedly powerful, Llanowar Elves and elf mana dorks like it would really like to attack, but if they tap for mana, it becomes more like outlast, which is OK, but not very powerful the later it gets in an EDH game
Almost every Ragavan, Nimble Pilferer deck plays the two-mana sorcery alongside it, as the more mana you can create, the better Iteration is as it is not being forced to take lands from it/having the mana to be able to cast any card you hit makes Iteration closer to a two-mana spell that draws two of the top three cards, which is utterly broken