Collectors and Eeveelution fans alike are chasing Leafeon VSTAR not just for the aesthetic (though lets be honest, its a 10/10 ), but for its place in the Eevee family lineup
You could also go in a completely different direction and use Experimental Frenzy in service of cards like Kefnet
Discarding a card and sacrificing a creature are both part of Ruthless Disposals cost
Karrthus, Tyrant of Jund Dragons might be my favorite typal deck, and Karrthus, Tyrant of Jund gives all your dragons haste
Ok, let's talk about a concept that we as designers need to think a lot about before starting to design any Universes Beyond sets but the public never really needs to worry about: the depth of a property
All of them fit at least a few of the criteria given earlier in this article, and/or are the best option in that color for what they do