Now, for the sake of discussion let's talk about two-mana ramp and three-mana ramp, but please understand when I have access to Rampant Growths and Cultivates I will use them over mana rocks barring some really specific reason (like my deck cares about Artifacts)
Not quite as universally effective, but its still a 3-power white creature with flying and flash that can save a creature by blinking it
This is reportedly to cover the additional cost of licensing each UB set
The resulting effect of any given proliferate ability varies wildly depending on the gamestate, but theyre a critical part of any counter-heavy deck
Below you will find a concise overview of common features tied to promotional rounds, including how they are distributed, typical limits, and the kinds of games that qualify
Death Denied Theres a clear usefulness to being able to return several creatures from your graveyard back to your hand