Protean Hydra [Magic 2011] DP45 When Plaxmanta enters the battlefield

When Plaxmanta enters the battlefield

000 Type: Creature — Human Soldier Rarity: Rare Cost: {2}{W}{B} Command Section — When Company Commander enters the battlefield

Set: Collectors' Edition Type: Enchantment Rarity: Uncommon Cost: {2}{W}{W} At the beginning of each player's upkeep

it becomes a 0/0 creature in addition to its other types

belching pit of Rath

Protean Hydra [Magic 2011] DP45 When Plaxmanta enters the battlefieldSet: Magic 2011 Type: Creature Hydra Rarity: Rare Cost: {X}{G} Protean Hydra enters the battlefield with X +1 +1 counters on it. If damage would be dealt to Protean Hydra, prevent that damage and remove that many +1 +1 counters from it. Whenever a +1 +1 counter is removed from Protean Hydra, put two +1 +1 counters on it at the beginning of the next end step.