So in this case, Blue is stronger than Black in which I have heavily invested
Whispers of the Muse (T1, Ext, S, Block) A favorite in "Turbo Xerox" (a blue deck which used minimal land but a ton of cantrips to thin out the deck), Counter-Phoenix (Shard Phoenix + Forbid) and Tradewind-Awakening (put Awakening on the stack, tap all your lands for mana, untap all your lands), Whispers has what might seem like a hefty price to pay for one card but you get to do it turn after turn after turn
It is suitable for deck building, gameplay, and expanding a Magic The Gathering collection
Why Its Worth Waiting for Sales: Significant Savings: With discounts, you can often save anywhere from 10-30% off the regular price of rare singles
Surrak is a great Warrior to give double strike to, and even on an empty battlefield, Grotesque Mutation makes him big enough to attack with haste (and lifelink!)
You can take multiple mulligans, but when decide to keep your hand, you have to return one card for each mullidan you took