LifelinkAt the beginning of your end step, if you gained life this turn, you may pay X life, where X is the amount of life you gained this turn. If you do, create an X/X black Demon creature token with flying.
Vigilance, protection from creaturesWhenever a creature deals combat damage to you, destroy that creature. Create a 1/1 white and black Spirit creature token with flying.
FlyingMentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)Whenever a nontoken creature you control dies, if it had counters on it, create X tapped 2/1 white and black Inkling creature tokens with flying, where X is the number of counters it had on it.
+2: Discard up to two cards, then draw that many cards.−2: Sacrifice an artifact. If you do, return target artifact card from your graveyard to the battlefield.−10: You get an emblem with "Whenever an artifact is put into your graveyard from the battlefield, return that card to the battlefield at the beginning of the next end step."Daretti, Scrap Savant...
Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.
FlashWhen Selfless Squire enters, prevent all damage that would be dealt to you this turn.Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on Selfless Squire.