At the beginning of your upkeep, you may say "Ach Hans, run It's the . . ." and name a creature card. If you do, search your library for the named card, put it into play, then shuffle your library. That creature has haste. Remove it from the game at end of turn.
Enchant creature
When Abduction enters the battlefield, untap enchanted creature.
You control enchanted creature.
When enchanted creature dies, return that card to the battlefield under its owner's control.
Until end of turn, target player can't cast instant or sorcery spells, and that player can't activate abilities that aren't mana abilities.
Draw a card.
Tap an untapped Cephalid you control: Tap target permanent.
: Tap all creatures without flying.
Switch target creature's power and toughness until end of turn.
Abrupt Decay can't be countered by spells or abilities.
Destroy target nonland permanent with converted mana cost 3 or less.
All creatures have protection from black.
: Prevent the next 1 damage that would be dealt to target creature or player this turn.
: Prevent the next 2 damage that would be dealt to target artifact creature this turn.
Choose one — You gain 5 life; or prevent the next 5 damage that would be dealt to target creature this turn.
Entwine (Choose both if you pay the entwine cost.)
If you would draw a card, you may instead choose land or nonland and reveal cards from the top of your library until you reveal a card of the chosen kind. Put that card into your hand and put all other cards revealed this way on the bottom of your library in any order.
Whenever an opponent discards a card, Abyssal Nocturnus gets +2/+2 and gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)
Flying, trample
You can't win the game and your opponents can't lose the game.
Flying
Whenever Abyssal Specter deals damage to a player, that player discards a card.
When Academy Rector dies, you may exile it. If you do, search your library for an enchantment card, put that card onto the battlefield, then shuffle your library.
When Academy Researchers enters the battlefield, you may put an Aura card from your hand onto the battlefield attached to Academy Researchers.
: Add to your mana pool.
, : Put target artifact card from your graveyard on top of your library.
Target creature gains haste until end of turn.
Target creature gets +X/+X until end of turn, where X is the highest converted mana cost among permanents you control.
As an additional cost to cast Acceptable Losses, discard a card at random.
Acceptable Losses deals 5 damage to target creature.
Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)
Equipped creature gets +0/+3 and has vigilance.
Equip
Draw a card, then draw cards equal to the number of cards named Accumulated Knowledge in all graveyards.
When Accursed Centaur enters the battlefield, sacrifice a creature.
Destroy all Forests.
Reach
When Acid Web Spider enters the battlefield, you may destroy target Equipment.