Sneak Attack [The List] Duck Bioessence Hydra enters the battlefield

Bioessence Hydra enters the battlefield with a +1/+1 counter on it for each loyalty counter on planeswalkers you control

Fury Rider attacks

Ivold was aghast when his device revealed the full scope of the geist infestation

Set: Tenth Edition Type: Artifact — Equipment Rarity: Uncommon Cost: {1} Equipped creature gets +1/+1

Your opponents can't block with creatures with even converted mana costs

Sneak Attack [The List] Duck Bioessence Hydra enters the battlefieldSet: The List Type: Enchantment Rarity: Rare Cost: {3}{R} {R}: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step. "Nothin' beat surprise'cept rock."