Not only will this prevent all the damage it wants to deal, but you get 10,000 2/1 fliers
In essence, every MDFC is a slightly overcosted spell combined with a slightly underpowered land (thanks to coming into play tapped or costing three life to come into play untapped, in the case of the mythic MDFC cycle, and only tapping for one color of mana)
Failing that, blue decks want to have untapped mana on their opponents turn, and this lets you do that
Learn more Magic was built on the idea that you are the planeswalker, a spell-slinging mastermind flinging Lightning Bolts and summoning monsters like its no big deal
For this reason I was thinking about removing Stoneforge Mystic and Batterskull, as Stoneforge has felt weak, and I'm not sure that Batterskull is good enough on it's own
Elspeth Whenever a creature you control attacks alone, put two 1/1 white Soldier creature tokens onto the battlefield tapped and attacking