Valefor is integral to Yuna's abilities as a young Summoner and is the first Summon Yuna has access to, so of course we needed to see them together
All this sacrificing means youll also probably want some Recursion, too, so consider adding cards like Black/Green cards that will help you get things back from your Graveyard such as Phyrexian Reclamation, Greenwarden of Murasa, Reclaim, Regrowth or Skeleton Shard
At the beginning of your upkeep, you Investigate (make a Clue token), and whenever you draw your second card each turn you put two +1/+1 counters on Morska
The Reunion , Sacrifice a modified creature: Return this card from your graveyard to the battlefield tapped
If a creature with infect attacks a player, instead of doing damage, they put a number of poison counters on that player equal to their power
Using blink classics like Conjurers Closet, or even Tarkir: Dragonstorms Mardu Siegebreaker, you can rob multiple creatures of abilities at a time