Tishana, Voice of Thunder is a mythic Legendary Creature — Merfolk Shaman card from Magic: The Gathering (The Lost Caverns of Ixalan Commander, LCC). Current market price: $0.41.
Tishana's power and toughness are each equal to the number of cards in your hand.
You have no maximum hand size.
When Tishana enters, draw a card for each creature you control.
