Offer something to bargain and its actually quite strong, turning into just about any other card in your library, be that Sheoldred, the Apocalypse or Tendrils of Agony after a huge storm chain
Necropotence, Pox and huge creatures, as well as, sources of mass Mana
Today Id rather focus on creatures having inbuilt protection, or protection granted indefinitely by different effects
Tidus, Blitzball Star gives us a snapshot of the character at the very start of Final Fantasy 10 : hes a wildly famous pro athlete whose secret weapon is a fancy Blitzball shot that knocks a defender out of the way
You know how much we love destroying our own permanents for extra value on Plot Twist
If both Anim Pakal and Arabella are on the battlefield, you can stack it so Anim Pakal resolves first, creating more 1/1 tokens for Arabella when its effect resolves since the X burn/lifegain isn't determined until Arabella's effect is resolving