Even if they kill this Phyrexian angel youve refilled your hand, leaving your opponents with an up-mountain battle to handle
This is particularly relevant against the creatures that provide incremental value every turn that this format is full of: Oculus, Manifold Mouse, Emberheart, Preacher, Tersa, etc
Repeated instances of Swords to Plowshares, Path to Exile, Brainstorm, and Commence the Endgame close things out quickly
You choose which creatures get counters after you roll the dice
Sacrifice after IV.) I, II - Destroy up to one target nonland permanent.III - Draw two cards.IV - Mega Flare - This creature deals damage equal to the total mana value of other permanents you control to each opponent
Also, the ramp effect is not to underestimate, giving tempo decks mana advantage in the early turns will lead to more spells being played and increases the disruption and threat density tempo can represent to close out the game even more quickly