A true goblin bombardementDark Confidant Buy + Harmonic Sliver Buy + Hell's Caretaker Buy
Cards from Modern Horizon :
Dark confidant is Putrid Goblin : 2/2 w/ persist.
Harmonic sliver is Good-fortune Unicorn : who gives +1/+1 counter on other creatures entering the field.
Hell's caretaker is Sling-gang Lieutenant : 1/1 that let you sac a goblin to make target player loses 1 life/let you gain 1 life.
Sac the Putrid Gob to the Lieutenant. The Putrin gob comes back w/ persist and has a +1/+1 counter from the unicorn. Make target player loses 1 life/gain you 1 life. Rince and repeat
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