Rock Hydra [30th Anniversary Edition] Betrayers of Kamigawa Reverse Type: Sorcery Target creature

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

Whenever Cockatrice blocks or becomes blocked by a non-Wall creature

(They're artifacts with "{T}

Set: Unlimited Edition Type: Enchantment Rarity: Rare Cost: {R}{R} At the beginning of each player's upkeep

Set: Secret Lair Drop Series Type: Tribal Enchantment — Faerie Rarity: Mythic Cost: {1}{B} At the beginning of your upkeep

Rock Hydra [30th Anniversary Edition] Betrayers of Kamigawa Reverse Type: Sorcery Target creatureSet: 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.