In fact, while I don't have scientific data, just looking at the impact of flashback, I wouldn't be surprise to find that it is one of the most constructed-playable mechanics ever printed
Those cards are Pete and Simba, and both are helpful in defending against other decks
Rishkars Expertise [c]Rishkars Expertise[/c] is a more expensive version of [c]Garruk, Primal Hunter[/c]s second ability, which may seem like a terrible deal if it werent for the other text on this sorcery
You either get a 4-mana 3 loyalty planewalker, or a 5-mana 5-loyalty planeswalker
Use your support characters to add damage while also granting full immunity to damage, and you are able to much more easily protect your characters through those early turns that are so vital to the success of hyper aggro builds like this
For this article I'll be using my budget deckbuilding checklist as a reference point