Rock Hydra [30th Anniversary Edition] Betrayers of Kamigawa Set: Media Promos Type: Legendary

Set: Media Promos Type: Legendary Planeswalker — Jace Rarity: Mythic Cost: {1}{U}{U} +2: Each player draws a card

Reverse Type: Sorcery Target creature you control deals damage equal to its power to any target

Set: Urza's Saga Type: Sorcery Rarity: Uncommon Cost: {X}{R} Destroy each artifact with mana value X or less

He achieved this by adding black to the deck for Patriarch's Bidding

Rock Hydra [30th Anniversary Edition] Betrayers of Kamigawa Set: Media Promos Type: LegendarySet: 30th Anniversary Edition Type: Creature Hydra Rarity: Rare Cost: {X}{R}{R} Rock Hydra enters the battlefield with X +1 +1 counters on it. For each 1 damage that would be dealt to Rock Hydra, if it has a +1 +1 counter on it, remove a +1 +1 counter from it and prevent that 1 damage. {R}: Prevent the next 1 damage that would be dealt to Rock Hydra this turn. {R}{R}{R}: Put a +1 +1 counter on Rock Hydra. Activate only during your upkeep.