Enchant creatureEnchanted creature can attack as though it had haste.: Untap enchanted creature. Activate only during your turn and only once each turn.
HasteAt the beginning of your upkeep, if Nether Shadow is in your graveyard with three or more creature cards above it, you may put Nether Shadow onto the battlefield.
When Dance of Many enters, create a token that's a copy of target nontoken creature.When Dance of Many leaves the battlefield, exile the token.When the token leaves the battlefield, sacrifice Dance of Many.At the beginning of your upkeep, sacrifice Dance of Many unless you pay .
Flying (This creature can't be blocked except by creatures with flying or reach.)Nightmare's power and toughness are each equal to the number of Swamps you control.
Dwarven Hold enters tapped.You may choose not to untap Dwarven Hold during your untap step.At the beginning of your upkeep, if Dwarven Hold is tapped, put a storage counter on it., Remove any number of storage counters from Dwarven Hold: Add for each storage counter removed this way.
Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.Draw a card at the beginning of the next turn's upkeep.