There are 24 total Imagine: Courageous Critters cards in the set, spanning Planeswalkers and creatures from Magic 's history, each illustrated as if they were on Bloomburrow
There could be other factors, like creature type (Kindred Dominance) or the creatures state on the board (Don't Move)
So it feels a bit like the card advantage you get from getting Atraxa, Grand Unifier onto the battlefield, if your deck is chock full of toothy dinos
The life surge is also a useful effect, especially when non-basic lands are so prominent
After playing Magic for about ten years or so, in 2011 I finally broke through managing to top 3 the Swedish Nationals that year
Grave Pact + Dictate of Erebos Grave Pact gives sacrifice decks an incredible amount of board control