Tishana, Voice of Thunder {5}{G}{U}
Legendary Creature — Merfolk Shaman
Identity
Simic
EDHREC rank
#5,590
Cheapest printing
US$0.38
TCGplayer
Printings
3
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.
Every printing
highest TCGplayer market first; a card with only a thin single listing shows its low
In short
A Commander deck is a commander and 99 other cards, one copy of each (except basic lands), all inside the commander's colour identity. Paste a full list into the deck price calculator to price it and check it against the format.