Equipped creature has flying.
Sacrifice Wings of Hubris: Equipped creature can't be blocked this turn. Sacrifice it at the beginning of the next end step.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

When Wingspan Mentor enters the battlefield, put a flying counter on target non-Human creature you control.
, : Put a +1/+1 counter on each creature you control with flying.

Whenever a non-Human creature you control attacks, look at the top six cards of your library. You may put a Human creature card from among them onto the battlefield tapped and attacking. It gains indestructible until end of turn. Put the rest of the cards on the bottom of your library in a random order.

Deathtouch
Wintermoor Commander's toughness is equal to the number of Knights you control.
Whenever Wintermoor Commander attacks, another target Knight you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Wishclaw Talisman enters the battlefield with three wish counters on it.
, , Remove a wish counter from Wishclaw Talisman: Search your library for a card, put it into your hand, then shuffle your library. An opponent gains control of Wishclaw Talisman. Activate this ability only during your turn.

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

, , Sacrifice a creature: You gain 1 life and draw a card.

(: Add .)
Witch's Cottage enters the battlefield tapped unless you control three or more other Swamps.
When Witch's Cottage enters the battlefield untapped, you may put target creature card from your graveyard on top of your library.

, Sacrifice a creature: Create a Food token. If the sacrificed creature's toughness was 4 or greater, create two Food tokens instead. (They're artifacts with ", , Sacrifice this artifact: You gain 3 life.")

Creatures of the creature type of your choice get -3/-3 until end of turn.

When Witching Well enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
, Sacrifice Witching Well: Draw two cards.

Flying
: Scry 1.

When Woe Strider enters the battlefield, create a 0/1 white Goat creature token.
Sacrifice another creature: Scry 1.
Escape—, Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)
Woe Strider escapes with two +1/+1 counters on it.

Create three 1/1 green Boar creature tokens with "When this creature dies, create a Food token." (A Food token is an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional .
, Sacrifice Wolfwillow Haven: Create a 2/2 green Wolf creature token. Activate this ability only during your turn.

Artifact creatures you control have flying.
At the beginning of combat on your turn, you may have target noncreature artifact you control become a 0/0 artifact creature. If you do, put four +1/+1 counters on it.

Whenever you cast a Knight spell, create a 1/1 white Human creature token.

Wrap in Flames deals 1 damage to each of up to three target creatures. Those creatures can't block this turn.

When Yasharn, Implacable Earth enters the battlefield, search your library for a basic Forest card and a basic Plains card, reveal those cards, put them into your hand, then shuffle your library.
Players can't pay life or sacrifice nonland permanents to cast spells or activate abilities.