Ophiomancer

two generic mana one black mana Creature — Human ShamanPower and toughness2/2

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

Her writhing, boneless movements are unsettling to humans, but hypnotic to her serpent brood.

Showing Commander Collection: Black#3

Price

5.42 $

Foil 11.32 $

36 printings · up to 10.99 $

Daily estimate from Scryfall, not a shop quote.

2013-10-17
Ophiomancer's ability checks if you control a Snake at the beginning of each upkeep. If you do, the ability won't trigger.
2013-10-17
Ophiomancer's ability considers any creature you control with the creature type Snake, not just the tokens Ophiomancer creates.
2013-10-17
If the ability does trigger, but you control a Snake when it tries to resolve, the ability will do nothing. No Snake token will be created.