mtg.wtf

{1}, {T}, Sacrifice Ominous Parcel: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
{5}, {T}, Sacrifice Ominous Parcel: It deals 4 damage to target creature.

When Ominous Traveler enters the battlefield, draft a card from Ominous Traveler's spellbook. That card perpetually gains "You may spend mana as though it were mana of any color to cast this spell" and "When you cast this spell, return a creature named Ominous Traveler you control to its owner's hand."

When Omnath, Locus of Creation enters, draw a card.
Landfall — Whenever a land enters under your control, you gain 4 life if this is the first time this ability has resolved this turn. If it's the second time, add {R}{G}{W}{U}. If it's the third time, Omnath deals 4 damage to each opponent and each planeswalker you don't control.

Affinity for Clowns (This spell costs {1} less to cast for each Clown you control.)
Trample

Changeling
Omnipresent Impostor has all card names.
As you search your library for one or more cards, you may choose Omnipresent Impostor as one of those cards. (For example, if you search for two land cards, you may find Omnipresent Impostor and a land card.)

All creatures are black and have deathtouch.
Whenever chaos ensues, creatures you control get +1/+0 and gain first strike until end of turn.

Enchant creature
Enchanted creature does not simply untap during its controller's untap step.
Enchanted creature has nonbasic landwalk. (It can't simply be blocked as long as defending player controls a nonbasic land.)

You lose the game.

Creatures you control have haste.
At the beginning of your upkeep, return a creature you control to its owner's hand.

When you set this scheme in motion, each opponent sacrifices a creature of their choice. Then each opponent who didn't sacrifice a creature discards two cards.

When you set this scheme in motion, for each card type among permanents your opponents control, you may put a permanent card of that type from your hand onto the battlefield.

Return target Booster Fun card from your graveyard to your hand.

Song of the Ood — Noncreature spells have convoke.
Red-Eye — Whenever chaos ensues, for each opponent, goad up to one target creature that opponent controls. Until your next turn, those creatures can't become tapped unless they're being declared as attackers.

Oozeavite enters with each of a vigilance, reach, trample, and hexproof counter on it. These are also +1/+1 counters.
If Oozeavite would be dealt damage, instead create a 0/0 green Ooze creature token and move a counter from Oozeavite onto it. Then if Oozeavite has no counters on it, sacrifice it.
{3}{G}, {T}: Move any number of counters from other creatures you control onto Oozeavite.

Add {W}{U}{B}{R}{G}{C}. You may open a sealed Magic booster pack. Until end of turn, you may cast spells from among the cards in that booster pack.

Whenever you crank Optical Optimizer, until end of turn, target creature becomes an artifact in addition to its other types and gains "{T}: Draw a card."

{1}: Turn target permanent you control to its other face.
{1}: Until end of turn, Optimus Prime, Inspiring Leader becomes a Construct with base power and toughness 6/6 and creatures you control gain trample.

{0}: Untap target attacking creature you control and remove it from combat.

When Oran-Rief Ooze enters, put a +1/+1 counter on target creature you control.
Whenever Oran-Rief Ooze attacks, put a +1/+1 counter on each creature you control with a +1/+1 counter on it.

{2}: Add one mana of any color.
Other noncreature artifacts are mono and continuous. (Each activated ability of mono artifacts costs an additional {T} to activate if its cost doesn't already include {T}. As long as a continuous artifact is tapped, it loses all abilities.)

Flash
Whenever an opponent draws a card except the first one they draw in each of their draw steps, Orcish Bowmasters deals 1 damage to any target. Then amass Orcs 1.

Randomly distribute X -0/-1 counters among a random number of random target creatures.

Orcish Conscripts can't attack unless at least two other creatures attack.
Orcish Conscripts can't block unless at least two other creatures block.

{T}: Target land becomes a Swamp until its controller's next untap step.

When Orcish Paratroopers enters, flip it from a height of at least one foot. Sacrifice Orcish Paratroopers unless it turns over completely at least once during the flip and lands face up.