Bloodrage Alpha is a great addition to these decks for other creature match-ups
However, it's effectively providing a consistent card draw, which is essential for control decks , and if you can get it down on turn one, you can activate the card draw ability on your opponent's turn to have eight cards in hand, then give yourself leeway to play two cards per turn and keep activating it for an additional card draw
It would be in the running for the most commonly played uncommon of all time
How many cards do I need to support an "archetype" in a Cube
As for the other half, ToppleTopple effects are underrated, especially ones that don't target and get around indestructible
Omnath, Locus of All Omnath, Locus of All pays you off for multicolor spells