Removing an oil counter is part of the cost to activate Serum Sovereign's last ability
I am, on one level, amazed that Wizards of the Coast is continuing with its disastrous attempts to sell cut-sized Magic the Gathering boosters
You'll still need to wait a few turns to get the most out of Barrowgoyf, but for three mana, it's hard to argue with its efficiency
Verduran Enchantress is another card that complements the strategy well
In this The More, The Merrier deck, players still focus on getting Urtet out early, as well as building a healthy Mana supply via ramps without unnecessarily using rare Magic: The Gathering cards
In previous Masters sets, you might have built up a soulshift Spirits deck