Rock Hydra [Beta Edition] Rivals of Ixalan Prerelease Promos Set: Mystery Booster Type: Legendary

Set: Mystery Booster Type: Legendary Artifact Creature — Human Wizard Rarity: Mythic Cost: {2}{W}{U}{B} At the beginning of your upkeep

When Kellan let his eyes wander to the horizon

Set: Doctor Who Type: Artifact Rarity: Common Cost: {2} {T}: Add one mana of any color in your commander's color identity

if Nether Shadow is in your graveyard with three or more creature cards above it

Set: Phyrexia: All Will Be One Type: Legendary Planeswalker — Vraska Rarity: Mythic Cost: {4}{B}{B/P} Compleated ({B/P} can be paid with {B} or 2 life

Rock Hydra [Beta Edition] Rivals of Ixalan Prerelease Promos Set: Mystery Booster Type: LegendarySet: 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.