Some cards in CCG you will never see in PVP battle. Why? because there are similar cards with the same mana costs that have better abilities or stats.
Here are my 3 worst creature cards:
3) Mud Golem (EVE): Alchemy Creature
4 mana cost
There is a 3 attack 2 HP creature with no abilities for 3 (!) mana → Temple Warrior.
Mud golem is simply too “expensive” → 4 mana cost, no abilities and crappy stats? Even a card like Portly Friar has 4 HP (2 more than Mud Golem – and it only costs 3 mana).
His younger brother “Clay Golem” for 3 mana at least has the dust ability (stats:2/2/) although I doubt anybody runs this card in a deck.
If you love Golems, put 4x Clay Golems, 4x Golemnify and 4x Mud Golem in your deck for ultimate Golemness.
2) Mud Elemental : Elemental Creature
1 attack 3 HP
There are so many cards that cost 3 mana, have same stats and have at least one ability:
Stench Ghoul (also a common) – Undead
Undying Acolythe – Undead
Temple Guard – Holy
Faithful Worshipper – Holy
Couldn’t find a reason to run a Mud Elemental, maybe in a “Mud deck” together with Mud Golem if you like losing battles.
1) Seasoned Farmer: Holy Creature
Reason: All other creatures in this game that have a 2 mana cost have either
a) 2 attack or
b) at least 1 ability
no point using the Seasoned Farmer in a deck, except in an Agriculture Deck together with the “Harvest” Card from EVE.
EDIT: the creatures above have been changed, so they are not the worst anymore!