Target creature gets +2/+2 and gains trample until end of turn.
Draw a card.

Flying (This creature can't be blocked except by creatures with flying or reach.)
: Regenerate Will-o'-the-Wisp. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Flying

Flash
Flying

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Flying

Two target creatures you control each get +2/+2 and gain flying until end of turn.

Flying
Cycling (, Discard this card: Draw a card.)
When you cycle Windcaller Aven, target creature gains flying until end of turn.

Flying
When Windgrace Acolyte enters the battlefield, mill three cards and you gain 3 life.

If one or more counters would be put on an artifact or creature you control, that many plus one of each of those kinds of counters are put on that permanent instead.
If you would get one or more counters, you get that many plus one of each of those kinds of counters instead.

Flying
Landfall — Whenever a land enters the battlefield under your control, Windrider Eel gets +2/+2 until end of turn.

Target player sacrifices an attacking creature.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Flying, vigilance
Cycling (, Discard this card: Draw a card.)

: Add .
, : Untap target Elf.

Defender
: Wishful Merfolk loses defender and becomes a Human until end of turn.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
Wojek Bodyguard can't attack or block alone.

Enchant creature
When Wolfkin Bond enters the battlefield, create a 2/2 green Wolf creature token.
Enchanted creature gets +2/+2.

As long as you control eight or more lands, Woodborn Behemoth gets +4/+4 and has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)