Form of the Pig | 3GG
Enchantment — Aura Curse
Enchant Player
Whenever enchanted player taps a land for mana, that player adds an additional C to his or her mana pool.
Whenever a player says "pig" for the first time each turn, enchanted player may oink. If he or she doesn't, sacrifice this and tap all lands he or she controls. Those permanents don't untap during their controller's next untap step.
Form of the Snake | 1U
Enchantment — Aura Curse
Enchant Player
Whenever one or more creatures controlled by enchanted player deal combat damage to a player, enchanted player draws a card.
Whenever a player says "snake" for the first time each turn, enchanted player may stick out his or her tongue. If he or she doesn't, sacrifice this and enchanted player discards three cards.
Form of the Newt | B
Enchantment — Aura Curse
Enchant Player
Whenever a creature deals combat damage to enchanted player, put a -1/-1 counter on it.
Whenever a player says "newt" for the first time each turn, enchanted player may ???. If he or she doesn't, sacrifice this and remove all -1/-1 counters from creatures he or she doesn't control.
Form of the Hound | 2W
Enchantment — Aura Curse
Enchant Player
Whenever three or more creatures enchanted player controls attacks, those creatures gain lifelink until end of turn.
Whenever a player says "hound" for the first time each turn, enchanted player may bark. If he or she doesn't, sacrifice this and tap all creatures he or she controls. They don't untap during his or her next upkeep.
Is there anything to this? The goal is for it to be a mostly-positive double-edged sword that you could reasonably cast on yourself, but could theoretically use on an opponent.
Enchantment — Aura Curse
Enchant Player
Whenever enchanted player taps a land for mana, that player adds an additional C to his or her mana pool.
Whenever a player says "pig" for the first time each turn, enchanted player may oink. If he or she doesn't, sacrifice this and tap all lands he or she controls. Those permanents don't untap during their controller's next untap step.
Form of the Snake | 1U
Enchantment — Aura Curse
Enchant Player
Whenever one or more creatures controlled by enchanted player deal combat damage to a player, enchanted player draws a card.
Whenever a player says "snake" for the first time each turn, enchanted player may stick out his or her tongue. If he or she doesn't, sacrifice this and enchanted player discards three cards.
Form of the Newt | B
Enchantment — Aura Curse
Enchant Player
Whenever a creature deals combat damage to enchanted player, put a -1/-1 counter on it.
Whenever a player says "newt" for the first time each turn, enchanted player may ???. If he or she doesn't, sacrifice this and remove all -1/-1 counters from creatures he or she doesn't control.
Form of the Hound | 2W
Enchantment — Aura Curse
Enchant Player
Whenever three or more creatures enchanted player controls attacks, those creatures gain lifelink until end of turn.
Whenever a player says "hound" for the first time each turn, enchanted player may bark. If he or she doesn't, sacrifice this and tap all creatures he or she controls. They don't untap during his or her next upkeep.
Is there anything to this? The goal is for it to be a mostly-positive double-edged sword that you could reasonably cast on yourself, but could theoretically use on an opponent.
Obviously these are Uncards.
Older Magic as a Board Game: Panglacial Wurm , Mill