mtg.wtf

You may pay {3}{U} and tap an untapped artifact you control rather than pay this spell's mana cost.
Flying

Trample
Whenever Zalto, Fire Giant Duke is dealt damage, venture into the dungeon.

Domain — Whenever Zar Ojanen, Scion of Efrava becomes tapped, put a +1/+1 counter on each creature you control with toughness less than the number of basic land types among lands you control.

Domain — Whenever Zar Ojanen, Scion of Efrava enters or becomes tapped, put a +1/+1 counter on each creature you control with toughness less than the number of basic land types among lands you control.

Flash
{2}{U}{B}, Return an unblocked attacking Rogue you control to its owner's hand: Put Zareth San, the Trickster from your hand onto the battlefield tapped and attacking.
Whenever Zareth San deals combat damage to a player, you may put target permanent card from that player's graveyard onto the battlefield under your control.

[+1]: Creatures you control get +1/+0 and gain haste until end of turn.
[0]: Create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."
[–6]: You get an emblem with "At the end of the first combat phase on your turn, untap target creature you control. After this phase, there is an additional combat phase."

{4}{R}: Zealot of the God-Pharaoh deals 2 damage to target opponent or planeswalker.

Flash
Enchant creature
Enchanted creature gets +1/+1.
Corrupted — As long as an opponent has three or more poison counters, enchanted creature gets an additional +1/+0 and has first strike.

Haste
When Zealous Conscripts enters, gain control of target permanent until end of turn. Untap that permanent. It gains haste until end of turn.

When Zegana, Utopian Speaker enters, if you control another creature with a +1/+1 counter on it, draw a card.
{4}{G}{U}: Adapt 4.
Each creature you control with a +1/+1 counter on it has trample.

Zendikar Incarnate's power is equal to the number of lands you control.

Landfall — Whenever a land you control enters, create a 2/2 green Elemental creature token.

Whenever a player casts their first multicolored spell each turn, each other player draws a card.

Zenith Flare deals X damage to any target and you gain X life, where X is the number of cards with a cycling ability in your graveyard.

Equipped creature has flying.
Whenever equipped creature deals combat damage to a player, draw a card, then discard a card.
Equip {2}

{1}{U}: Target creature gains flying until end of turn.

Flying

Flash
Flying
When Zephyr Sentinel enters, return up to one other target creature you control to its owner's hand. If it was a Soldier, put a +1/+1 counter on Zephyr Sentinel.

Convoke
Flying, vigilance
When Zephyr Singer enters, put a flying counter on each creature that convoked it.

Flying
Whenever Zephyr Winder deals combat damage to a player, untap up to one target creature.

Flying, double strike, vigilance, trample, indestructible

{T}: Tap target creature. Activate only if you had a creature enter the battlefield under your control this turn.

Whenever another Knight you control enters, Zhalfirin Lancer gets +1/+1 and gains vigilance until end of turn.

Target creature has base power and toughness 4/3 until end of turn.
Draw a card.

When Zhalfirin Void enters, scry 1.
{T}: Add {C}.