Rock Hydra [International Collectors' Edition] Alien Insect Scout " —Professor Knowby

" —Professor Knowby

then you may cast it from exile on a later turn

Set: Modern Horizons 2 Prerelease Promos Type: Instant — Rarity: Rare Cost: {U} Exile target creature and put two time counters on it

Whenever this creature deals combat damage to an opponent

Set: The Lord of the Rings: Tales of Middle-Earth Commander Type: Sorcery Rarity: Rare Cost: {B} Put target creature card from a graveyard onto the battlefield under your control

Rock Hydra [International Collectors' Edition] Alien Insect Scout " —Professor KnowbySet: International Collectors' 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.