Hydra's Cave

At the start of each turn, once you have received priority you may activate one of three abilities,
then turn me into Hydra Egg.
Red Passage: {t} deal 5 damage to target creature,
or 3 damage to target player.
Green Passage: {t} Inflict 3 curse damage to target creature,
it cannot be healed while inflicted with curse.
Gold Passage: {t} Target creature cannot be blocked this turn.