You always want a sacrifice outlet around to decide when you should dispose of your tokens
Thats become even easier with the release of two specific cards in Into the Inklands
That means Fogs, protection, and anything else that might not misbecome the mighty sender
I wonder how this plays out when I compare it to the Black Lotus for the masses, Gilded Lotus (5 Tap: Add three mana of any one color to your mana pool.) This is hard to setup: you need to spend four mana to equip a creature, then the creature needs to deal damage mid game to your opponent-which means that an unblockable or Trample creature will do the trick best
Avacyn, Guardian Angel Avacyn, Guardian Angel has nice things going for it
Hopefully an opponent has a Farewell or a Shatter the Sky to save themselves, or youll take the win by dealing enough infect damage