{R} Obsidian Fireheart [Zendikar][ZEN 140]
![{R} Obsidian Fireheart [Zendikar][ZEN 140] - Misty Mountain Games](http://www.mistymountaingames.com/cdn/shop/files/1fbf7e23-5610-45d7-a273-923433d10934.png?v=1752875359&width=1946)
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NOT LEGAL
Standard
NOT LEGAL
Future
NOT LEGAL
Historic
NOT LEGAL
Timeless
NOT LEGAL
Gladiator
NOT LEGAL
Pioneer
LEGAL
Modern
LEGAL
Legacy
NOT LEGAL
Pauper
LEGAL
Vintage
LEGAL
Penny
LEGAL
Commander
LEGAL
Oathbreaker
NOT LEGAL
Standardbrawl
NOT LEGAL
Brawl
NOT LEGAL
Alchemy
NOT LEGAL
Pauper Commander
LEGAL
Duel
NOT LEGAL
Oldschool
NOT LEGAL
Premodern
LEGAL
Predh
{1}: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after this creature has left the battlefield.)
: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after this creature has left the battlefield.)![{R} Obsidian Fireheart [Zendikar][ZEN 140] - Misty Mountain Games](http://www.mistymountaingames.com/cdn/shop/files/1fbf7e23-5610-45d7-a273-923433d10934.png?v=1752875359&width=1445)