Otherworldly Outburst
Oracle Text
Target creature gets +1/+0 until end of turn. When that creature dies this turn, create a 3/2 colorless Eldrazi Horror creature token.
Card Rulings
7/13/2016 If the targeted creature doesn’t die this turn, the delayed triggered ability simply won’t trigger.
7/13/2016 If the targeted creature dies before Otherworldly Outburst resolves, the spell doesn’t resolve. You won’t get an Eldrazi Horror token.
This + a scion + Reckless Bushwhacker = profits
Actually you don't even need to build around it, it's just a great combat trick that allows you to trade up and replace a small creature with a 3/2. I think it's good enough for standard.