Getting to put X creatures of the same type on the battlefield is huge for a 7-mana investment, but at the same time, you need to have a board, otherwise youre not getting enough from this green instant
She works with you to make little tweaks and changes until its perfect
In Innistrad: Crimson Vow last year, we got a card called Bleed Dry, which is a random, forgotten uncommon that is the same as the front side of Invasion of Innistrad but with the upside of exiling the creature that it kills, and cards like Tragic Slip and Tragic Fall do the same thing for one or two mana if their morbid or hellbent conditions are met
Darksteel Colossus 5 Only better than Blightsteel in that it works towards the same win condition as your other dorks and so this can finish someone off or get them in range such than something else will finish them off
By Turn 3, you should have the Mega Gyarados EX card in your hand (I hope we are all that lucky), which you can then use
See Goblin Chainwhirler