Exile the top three cards of your library face down. You may look at those cards for as long as they remain exiled. Until your next turn, you may play those cards. At the beginning of your next upkeep, put any of those cards you didn't play into your graveyard.

At the beginning of each end step, each player who tapped a land for mana this turn sacrifices a land of their choice. This enchantment deals 2 damage to each player who sacrificed a Plains this way.

Destroy all creatures with power 4 or greater. They can't be regenerated.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
When this creature enters, you may pay . If you don't, destroy target Knight and it can't be regenerated.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
: The next 1 damage that would be dealt to this creature this turn is dealt to any target instead.

As an additional cost to cast this spell, sacrifice all permanents you control and discard your hand.
Target player loses 5 life.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Blue creatures can't block creatures you control.
Nonblue creatures can't block creatures you control unless their controller pays 1 life for each blocking creature they control.

, : Target land becomes a 2/2 green creature that's still a land. (This effect lasts indefinitely.)

Flying, vigilance

: Counter target spell unless its controller pays and 1 life.

, Sacrifice a land: Destroy target land.

Target player can't play lands this turn.
Draw a card at the beginning of the next turn's upkeep.

Flying
Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)
Whenever this creature phases in, target creature phases out. (It phases in before its controller untaps during their next untap step.)

Each land is a Swamp in addition to its other land types.

Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)
Creatures with flying can't attack or block, and their activated abilities with in their costs can't be activated.

At the beginning of your upkeep, for each land target player controls in excess of the number you control, choose a land that player controls, then the chosen permanents phase out. Repeat this process for artifacts and creatures. (While they're phased out, they're treated as though they don't exist. They phase in before that player untaps during their next untap step.)

Whenever this creature attacks and isn't blocked, you may have it deal damage equal to its power to target creature. If you do, this creature assigns no combat damage this turn.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
: Each creature without flanking blocking this creature gets -1/-1 until end of turn. Activate only once each turn.

Flying
: If the top card of target player's graveyard is a creature card, put that card on top of that player's library.

At the beginning of each player's upkeep, that player chooses artifact, creature, land, or non-Aura enchantment. All nontoken permanents of that type phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
: This creature phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Whenever this creature attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.)

, : Target creature can't block this turn.

Attacking creatures with flying get -2/-2 and lose flying until end of turn.

Whenever this creature blocks or becomes blocked, it gets +2/-2 until end of turn.

Players can cast spells and activate abilities only during their own turns.

White creatures you control have protection from black.
Black creatures you control have protection from white.

Other enchantments have "At the beginning of your upkeep, sacrifice this enchantment unless you pay ."

At the beginning of your upkeep, if you have 5 or less life, sacrifice this enchantment and take an extra turn after this one.

Put all enchantments on top of their owners' libraries.

Flying
Whenever this creature becomes the target of a spell or ability, you lose 1 life.

Enchant creature
Enchanted creature can't attack.
When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Flash
Protection from white

Sacrifice a creature: The next time a source of your choice would deal damage to any target this turn, prevent that damage.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Flying, protection from red