If you bring a creature to the battlefield during the opponent's turn (for example, Teferi Mage of Zhalfir), and the cunning opponent phase it out, Teferi will phase in at the beginning of your untap step, and you can attack with it during the same turn
That's when her second 7-power matters ability kicks in: If you manage to connect with her (or any other 7/x creature), then: You get to untap all your creatures, and If this was your first attack, then you get an extra attack per damaged player
When you increase your deck size, you lower your chances of drawing your best cards
Once we knew Amonkhet was returning split cards to the Standard stage, we determined that it was time to simplify split cards
It can stall out a turn for you to make a killer comeback
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