Whenever a creature an opponent controls dies, put a number of +1/+1 counters on Vincent Valentine equal to that creature's power
Oh, and countless sets weigh down shelves these days, so knowing where to start is well, it's a lot
Currently selling for an average of $167 , this Robin Hood is a Steel type card, with a 5 Ink cost that can be reduced to 3, using Shift
Powerful black enchantments like Dictate of Erebos and Grave Pact ensure that anytime The Balrog's controller sacrifices a creature, all opponents do the same, which makes The Balrog even easier to cast
I really like it for 5-color decks because you can suspend it early knowing that you'll need a certain color eventually, but not right away
What you should do if you are looking to optimize your time is play Best-of-three (BO3) and use sideboarding to fine-tune your selection of reactive spells based on what your opponent is playing