If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost.
Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

You may cast Aura and Equipment spells as though they had flash.
Whenever an Equipment you control enters, you may attach it to target creature you control.

Spend only black mana on X.
Drain Life deals X damage to any target. You gain life equal to the damage dealt, but not more life than the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.

Fire a Nerf® blaster until empty at target library from at least two meters away. For each card knocked off that library, put it into its owner's graveyard and Nerf War deals ½ damage to that player. (Foam darts only.)

Flash
Indestructible
When Mithril Coat enters, attach it to target legendary creature you control.
Equipped creature has indestructible.
Equip

, Pay 1 life, Sacrifice this land: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

This land enters tapped.
: Add .
Station (Tap another creature you control: Put charge counters equal to its power on this Planet. Station only as a sorcery.)
12+ | , : Add for each artifact you control.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.
At the beginning of each opponent's upkeep, that player sacrifices a creature of their choice.

Flying, vigilance, deathtouch, lifelink
At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Other Elf creatures get +1/+1 and have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

Exile all creature cards from all graveyards. You gain 1 life for each card exiled this way.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment.
: This enchantment deals 1 damage to each creature and each player.

Destroy all lands.

If damage would be dealt to a player, that player exiles that many cards from the top of their library instead.

Create ten 1/1 white Insect creature tokens with flying. Exile 17-Year Cicadas with seventeen time counters on it.
Suspend 17 — (Rather than cast this card from your hand, you may pay and exile it with seventeen time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)
Whenever you cast a spell, if this card is suspended, remove a time counter from it.

You may have this enchantment enter as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.

Exile this card from your hand: Add .

Flying
, : This creature deals X damage to target creature. Spend only red mana on X.

Counter target spell. At the beginning of your next main phase, add an amount of equal to that spell's mana value.