Target player loses 4 life and you gain 4 life.

Flying
Power-up — : Put a +1/+1 counter on Namora. Create two 1/1 blue Merfolk creature tokens. (Activate each power-up ability only once. Reduce the cost by her mana cost if she entered this turn.)

When Gisa and Geralf enters, mill four cards.
Once during each of your turns, you may cast a Zombie creature spell from your graveyard.

As this land enters, you may reveal an Elemental card from your hand. If you don't, this land enters tapped.
: Add .
, : Target creature gains haste until end of turn.

Flash (You may cast this spell any time you could cast an instant.)
Whenever a creature deals combat damage to you, if Hixus entered this turn, exile that creature until Hixus leaves the battlefield. (That creature returns under its owner's control.)

Flying, vigilance

(: Add .)

Target player loses 4 life and you gain 4 life.

As an additional cost to cast this spell, behold a Jace or pay . (To behold a Jace, choose a Jace you control or reveal a Jace card from your hand.)
Counter target spell. Empower Jace 1. (Put a loyalty counter on a Jace token you control. If you don't control one, first create a blue Jace planeswalker token with "[−1]: Surveil 1" and "[−3]: Draw a card.")

(: Add or .)
This land enters tapped.

Target creature you control gains protection from the color of your choice until end of turn. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything of that color.)
Scry 1.

Flying
You may pay rather than pay the mana cost for spells you cast.

When Edgar enters, draw a card for each artifact you control.
Two-Headed Coin — The first time you flip one or more coins each turn, those coins come up heads and you win those flips.

(: Add .)

: This creature deals 1 damage to any target.

This creature has first strike as long as it's attacking.
When this creature dies, create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this token: Draw a card.")

As this land enters, you may reveal a Mountain or Forest card from your hand. If you don't, this land enters tapped.
: Add or .

Choose target creature you control and target creature an opponent controls. Put a +1/+1 counter on the creature you control if it has power 4 or greater. Then those creatures fight each other. (Each deals damage equal to its power to the other.)

Trample
Whenever Thrakkus attacks, double the power of each Dragon you control until end of turn.

: Add . Activate only if you control five or more lands.