As early as turn 3, you can force your opponent to pay a ton of mana whenever they want to attack you
In the Modern era, we've only had two Standard bannings, but in reading the reasoning for the Affinity and Caw Blade bannings, the bottom line wasn't so much that the decks were too good, that the cards were too powerful, or that the meta was out of whack
Time Spiral Remastered TypeSorcery Collector Number296 Rarityspecial ArtistJohn Stanko Create two 1/1 white Spirit creature tokens with flying
Certainly not for a lack of power, but perhaps in part because it was so narrow in focus: with a small card count devoted mostly to assassin typal and some historic card synergies
We make our opponent sac down to one bad creature and one planeswalker, and then use our leftover Angel to attack the remaining Gideon, Ally of Zendikar or Nissa, Voice of Zendikar
Commander bans cards for a multitude of reasons