Enchant creature
Sacrifice a Forest: Regenerate enchanted creature.
When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.
Illustrated by Daren Bader · Urza's Saga · #253
There are no rulings for Fortitude.
Enchanted creature has shroud. (It can't be the target of spells or abilities.)
Enchanted creature gets +2/+0 and has trample.
Enchant Swamp
When enchanted land becomes tapped, destroy it.
Enchanted creature gets +2/+0 and has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)
When this Aura is put into a graveyard from the battlefield, draw a card.
Enchant creature you control
When Penumbra Umbra is put into a graveyard from the battlefield, create a token that's a copy of enchanted creature, except the token is black.
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
Enchant Forest
: Enchanted Forest becomes a 4/4 green Spirit creature until end of turn. It's still a land.
When enchanted Forest is put into a graveyard, you may return this card from your graveyard to your hand.