Menace

Other creatures you control get +1/+0 as long as you control an Equipment.

, : Search your library for a land card, reveal it, and put it into your hand. Then shuffle your library. Activate this ability only if an opponent controls more lands than you.

Flying
Whenever you cast an instant or sorcery spell, Wee Dragonauts gets +2/+0 until end of turn.

Enchant creature
Enchanted creature gets -3/-2.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Whenever an artifact enters the battlefield under your control, Weldfast Wingsmith gains flying until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Welkin Tern can block only creatures with flying.

: You gain 1 life for each Elf on the battlefield.

Suspend 4— (Rather than cast this card from your hand, pay and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)
Each player discards their hand, then draws seven cards.

Return all creatures to their owners' hands except for Krakens, Leviathans, Octopuses, and Serpents.

If an opponent had two or more creatures enter the battlefield under their control this turn, you may pay rather than pay this spell's mana cost.
Return two target creatures to their owners' hands.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Search your library for an artifact card with converted mana cost X or less, put it onto the battlefield, then shuffle your library.

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip

Wight of Precinct Six gets +1/+1 for each creature card in your opponents' graveyards.

Flying

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional .

Discard a card: Wild Mongrel gets +1/+1 and becomes the color of your choice until end of turn.

Wild Nacatl gets +1/+1 as long as you control a Mountain.
Wild Nacatl gets +1/+1 as long as you control a Plains.

Protection from white
: Wildfire Emissary gets +1/+0 until end of turn.