Abzan Ascendancy 3/10 Potent in the right setting but suitably narrow
This Rabbit has an ability that triggers when he attacks, putting a +1/+1 counter on each Rabbit and token creature you control, which is a great way to boost the power of your little bunnies
This release from Urzas Legacy can deal three damage per turn to players who keep their hands full punishing control players for hanging on to all those counterspells
Liliana offers the ability to pump up a board with 2/2 Zombies, giving a player plenty of blockers to throw under an attack, and subsequently letting them draw a card
For example, when Malakir Blood-Priest enters the battlefield, your opponent loses X life and you gain X life, where X is the number of creatures you have in your party
In Enchantress decks that have a strong pillowfort theme -- hello, Sphere of Safety -- Calix can be well protected and accrue value