Ardent Elementalist - could've been a dunk but you have the Madness 4/4 one so maybe you don't want 2

Blood Petal Celebrant - I think the rate is good enough but might not be

Ironhoof Boar - Modal which is excellent seems like it could be in easy

Swarming Goblins - not much competition in its mana slot, but might be too much mana.