[17] All of these cards are now restricted in tournament play
There are a few ways to do so, you could use Karn, the Great Creator for a turn or Tezzeret, Agent of Bolas, to permanently make it a 5/5, or even Mishra, Eminent Ones built-in ability
Grasp of Darkness is a little better than Last Gasp, this can be worlds better than Doom Blade
Archangel of Thune is a five mana White 3/4 with flying and lifelink, which is aggressively fine
Use actions to play your cards, move closer to your objective, and draw from your opponents Fate deck disrupt their carefully made plans with meddling heroes
Getting back fallen planeswalkers in any build of Azorius Control is an absurdly powerful ending to an already strong card, making it a no-brainer for control players