Hiro Usuda

Misaki's knife hovered above the snake. She didn't want to cut into it so she imagined it alive. She imagined all of them alive.

Ophiomancer

At the beginning of each upkeep, if you control no Snakes, create a 1/1 black Snake creature token with deathtouch.

Nahiri, the Unforgiving // Nahiri, the Unforgiving

Nahiri, the Unforgiving

Compleated ({R/W/P} can be paid with {R}, {W}, or 2 life. If life was paid, this planeswalker enters with two fewer loyalty counters.)
[+1]: Until your next turn, up to one target creature attacks a player each combat if able.
[+1]: Discard a card, then draw a card.
[0]: Exile target creature or Equipment card with mana value less than Nahiri's loyalty from your graveyard. Create a token that's a copy of it. That token gains haste. Exile it at the beginning of the next end step.

Phyrexian Mite

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)
This creature can't block.