Doran, Besieged by Time {1}{W}{B}{G}
Legendary Creature — Treefolk Druid
Identity
Abzan
EDHREC rank
#5,615
Cheapest printing
US$0.51
TCGplayer
Printings
3
Each creature spell you cast with toughness greater than its power costs {1} less to cast.
Whenever a creature you control attacks or blocks, it gets +X/+X until end of turn, where X is the difference between its power and toughness.
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.