Ur-Drago {3}{U}{U}{B}{B}
Legendary Creature — Elemental
Identity
Dimir
EDHREC rank
#31,184
Cheapest printing
US$18.27
TCGplayer
Printings
1
First strike
Creatures with swampwalk can be blocked as though they didn't have swampwalk.
Keywords: first strike
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.