Creatures with no abilities get +2/+2.

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Nacatl War-Pride must be blocked by exactly one creature if able.
Whenever Nacatl War-Pride attacks, create X tokens that are copies of Nacatl War-Pride and that are tapped and attacking, where X is the number of creatures defending player controls. Exile the tokens at the beginning of the next end step.

Flying
When Narcomoeba is put into your graveyard from your library, you may put it onto the battlefield.

New Benalia enters the battlefield tapped.
When New Benalia enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
: Add .

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Suspend 7— (Rather than cast this card from your hand, you may pay and exile it with seven time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)
Whenever a card is put into an opponent's graveyard from anywhere, if Nihilith is suspended, you may remove a time counter from Nihilith.

: Add .
: Add . Activate this ability only if you control an Island.
: Add . Activate this ability only if you control a Plains.

Counter target spell if no mana was spent to cast it.

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature has "Discard a card: This creature gets +1/+1 until end of turn."

: Prevent all damage that would be dealt to target creature this turn.
Grandeur — Discard another card named Oriss, Samite Guardian: Target player can't cast spells this turn, and creatures that player controls can't attack this turn.

Counter target spell.
At the beginning of your next upkeep, pay . If you don't, you lose the game.

Create a 4/4 red Giant creature token.
At the beginning of your next upkeep, pay . If you don't, you lose the game.

If you've cast another white spell this turn, you may cast this spell without paying its mana cost.
Destroy all enchantments.

Enchant creature
Enchanted creature gets +2/+2.
Suspend 2— (Rather than cast this card from your hand, you may pay and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Chroma — Reveal any number of cards in your hand. You gain 2 life for each green mana symbol in those cards' mana costs.

Enchant land
Whenever enchanted land becomes tapped, its controller loses 2 life.
: Destroy enchanted land.

When Putrid Cyclops enters the battlefield, scry 1, then reveal the top card of your library. Putrid Cyclops gets -X/-X until end of turn, where X is that card's converted mana cost. (To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.)

If an instant or sorcery source you control would deal damage to a permanent or player, it deals that much damage plus 2 to that permanent or player instead.
At the beginning of each end step, discard your hand.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Shroud (This creature can't be the target of spells or abilities.)
When a spell or ability an opponent controls causes you to discard Quagnoth, return it to your hand.