Note that this works for when any creature attacks, not just yours, so when someone attacks you and triggers a defensive card you also net the trigger twice, so you could play this in a Pillow Fort deck build around things like Cunning Rhetoric and Search the Premises
Opening packs is more about appreciating the artwork on the cards than it is about building a powerful deck
First up, you need two additional cards the classic Ashnods Altar as a sacrifice outlet, and Thermal Flux which can turn a permanent into a Snow permanent
Pack Interaction: You need to answer a turn 1 Ragavan, hes banned as a Commander, but legal in the 99, or a Turn 2 Dark Ritual play
Poor (PR) cards have suffered severe damage and are often unusable in official gameplay
If you want to play this card and win, you need to play a lot of spells in one turn