This is what I want to see out of an Omen card, where one half is strong on its own (the creature side), but there are plenty of times you are happy playing the Omen side
While they dont offer any specific bundles (their cards are made-to-order), they do offer a discount based on how many cards you purchase
This can be a major swing in your favor, allowing you to reuse tap abilities on those creatures, or just untap them after attacking
You can preorder them now through online retailers like Amazon, at your local game store, and elsewhere Magic products are sold.
If you have sacrifice outlets to use alongside this is it can be particularly nice
Helm of the Host is the most recognizable combo here, which works with a number of other extra combat cards too