Rock Hydra [Beta Edition] Sliver {T}: Put up to X

{T}: Put up to X +1/+0 counters on Clockwork Avian

At the beginning of enchanted player's upkeep

it gains haste

target opponent puts the top five cards of his or her library into his or her graveyard

Rock Hydra [Beta Edition] Sliver {T}: Put up to XSet: Beta 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.