mtg.wtf

This land enters tapped.
{T}: Add {C}.
{4}, {T}, Tap an untapped legendary creature you control: Venture into the dungeon. Activate only as a sorcery.

When this creature enters, sacrifice it unless you discard a land card.

Changeling
When Faceless Agent enters the battlefield, seek a creature card of the most prevalent creature type in your library.

Flying
At the beginning of your upkeep, mill a card. If an instant or sorcery card was milled this way, transform this creature.

Flying

Reach
Domain — When Meria's Outrider enters, it deals damage equal to the number of basic land types among lands you control to any target.

Target attacking creature gets +3/+3 and gains trample until end of turn.

Enchant creature
Enchanted creature gets +1/+1 and has flying, haste, and "{1}: This creature gets +1/+0 until end of turn." It's a Dragon in addition to its other types.
When enchanted creature dies, return this card to its owner's hand.

When this artifact enters, scry 2.
Whenever another artifact you control enters, this artifact becomes a 4/4 Phyrexian Eye artifact creature until end of turn.

Prowess
When this creature enters, return target instant or sorcery card from your graveyard to your hand.

Prevent all damage that would be dealt to Cho-Manno.

Whenever you draw a card, exile the top card of your library face down.
At the beginning of your upkeep, you may exile all cards from your hand face down. If you do, put all other cards you own exiled with this artifact into your hand.

Trample
Cycling {2}

{T}: Add {C}. You gain 1 life.

Whenever Quickbeam or another Treefolk you control enters, up to two target creatures each get +2/+2 and gain trample until end of turn.

I — Destroy target nonland permanent.
II — Mill three cards.
III — You may discard a card. When you do, return target creature or land card from your graveyard to your hand.

Tap X target nonland permanents.

All Slivers have "When this permanent enters, destroy target artifact or enchantment."

Put a card from your hand on top of your library: The next time a black or red source of your choice would deal damage this turn, prevent that damage.

Trample
Tap an untapped artifact you control: This creature gets +1/+1 until end of turn.

{T}: Add {G}, {U}, or {R}.
Morph {2}
When this creature is turned face up, add {G}{U}{R}.

Commander creatures you own have "At the beginning of your end step, exile up to one target tapped creature you control, then return it to the battlefield under its owner's control."

Whenever an enchantment you control is put into a graveyard from the battlefield, create a 1/1 white Bird creature token with flying.

This creature enters with a +1/+1 counter on it if an opponent lost life this turn.
{1}{B/R}: This creature gains menace until end of turn.

Whenever a creature you control deals combat damage to a player, put a quest counter on this enchantment. Then if it has four or more quest counters on it, draw a card.
Waterbend {4}: Target creature can't be blocked this turn.