Your search for "Rock Hydra" revealed the following:
Rock Hydra (3ED) from Revised Edition, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Jeff A. Menges Card Text:Put X +1/+1 counters (heads) on Hydra. Each point of damage Hydra suffers kills one head unless controller spends R...
Rock Hydra (2ED) from Unlimited Edition, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Jeff A. Menges Card Text:Put X +1/+1 counters (heads) on Hydra. Each point of damage Hydra suffers destroys one head unless R is spent....
HYDRA Assault Robot (MSH) from Marvel Super Heroes, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Wero Gallo Card Text:Whenever another Villain and/or artifact you control enters, this creature deals 1 damage to target opponent.
Khalni Hydra (ROE) from Rise of the Eldrazi, available at 401 Games Canada. Rarity: Mythic Rare Finish: Normal Artist: Todd Lockwood Card Text:Khalni Hydra costs G less to cast for each green creature you control.Trample
Managorger Hydra - Crocodile Jackson's Monstrous Menagerie (Etched) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Crocodile Jackson Card Text: Crocodile Jackson's Monstrous MenagerieTrampleWhenever a player casts a spell, put a +1/+1 counter...
Managorger Hydra - Crocodile Jackson's Monstrous Menagerie (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Crocodile Jackson Card Text: Monstrous MenagerieTrampleWhenever a player casts a spell, put a +1/+1 counter on Managorger Hydra....
Khalni Hydra (Foil) (ROE) from Rise of the Eldrazi, available at 401 Games Canada. Rarity: Mythic Rare Finish: Foil Artist: Todd Lockwood Card Text:Khalni Hydra costs G less to cast for each green creature you control.Trample
Khalni Hydra - ROE Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Mythic Rare Finish: Normal Artist: Todd Lockwood Card Text:Khalni Hydra costs G less to cast for each green creature you control.Trample
Rock Hydra (LEA) from Limited Edition Alpha, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Jeff A. Menges Card Text:Put X +1/+1 counters (heads) on Hydra. Each point of damage Hydra suffers destroys one head unless R is...
Rock Hydra - Retro Frame (30A) from 30th Anniversary Edition, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Jeff A. Menges Card Text:This version of this card has a non-standard Magic back. It is not legal for constructed...
Rock Hydra (LEB) from Limited Edition Beta, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Jeff A. Menges Card Text:Put X +1/+1 counters (heads) on Hydra. Each point of damage Hydra suffers destroys one head unless R is...
Rock Hydra (CEI) from Intl. Collectors’ Edition, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Jeff A. Menges Card Text:(This card has square corners and a gold bordered back. Not tournament legal.)Put X +1/+1 counters (heads) on Hydra....
Rock Hydra (30A) from 30th Anniversary Edition, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Jeff A. Menges Card Text:This version of this card has a non-standard Magic back. It is not legal for constructed play.Rock Hydra enters...
Rock Hydra (CED) from Collectors' Edition, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Jeff A. Menges Card Text:(This card has square corners and a gold bordered back. Not tournament legal.)Put X +1/+1 counters (heads) on Hydra. Each...