mtg.wtf

When this creature enters the battlefield, you may exile target non-Horse creature you control that wasn't put onto the battlefield with this ability this turn, then return it to the battlefield under its owner's control.

When Oreskos Explorer enters the battlefield, search your library for up to X Plains cards, where X is the number of players who control more lands than you. Reveal those cards, put them into your hand, then shuffle.

Inspired — Whenever Oreskos Sun Guide becomes untapped, you gain 2 life.

Improvise
Destroy all nonartifact creatures.

{1}, {T}, Sacrifice Origin Spellbomb: Create a 1/1 colorless Myr artifact creature token.
When Origin Spellbomb is put into a graveyard from the battlefield, you may pay {W}. If you do, draw a card.

Kicker {W}
Target player can't cast spells this turn. If this spell was kicked, creatures can't attack this turn.

If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost.
Prevent the next 4 damage that would be dealt to any target this turn.

Whenever one or more creatures attack you, you gain 1 life for each attacking creature.

Kicker {1}
Prevent the next 2 damage that would be dealt to any target this turn. If this spell was kicked, prevent the next 4 damage that would be dealt to that permanent or player this turn instead.

{T}: Prevent the next 3 damage that would be dealt to any target this turn.

{T}: Prevent all damage that would be dealt to target creature this turn.
Grandeur — Discard another card named Oriss, Samite Guardian: Target player can't cast spells this turn, and creatures that player controls can't attack this turn.

Flying
Tribute 2
When Ornitharch enters the battlefield, if tribute wasn't paid, create two 1/1 white Bird creature tokens with flying.

Vigilance
Orthodoxy Enforcer gets +2/+0 as long as you control two or more artifacts.

At the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. If a player does, creatures that player controls can't attack you or planeswalkers you control until your next turn.

Flying
At the beginning of each end step, if a creature died this turn, put a carrion counter on Osai Vultures.
Remove two carrion counters from Osai Vultures: Osai Vultures gets +1/+1 until end of turn.

Enchant basic land you control
When Ossification enters the battlefield, exile target creature or planeswalker an opponent controls until Ossification leaves the battlefield.

Magical Tinkering — {W}, {T}, Sacrifice an artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value, put it onto the battlefield, then shuffle. Activate only as a sorcery.

When Oteclan Landmark enters the battlefield, scry 2.
Craft with artifact {2}{W}

Flying
Whenever Oteclan Levitator attacks, target attacking creature without flying gains flying until end of turn.

Flash
When Otherworldly Escort dies, if it's not a Spirit, return it to the battlefield under its owner's control with four charge counters on it. It's a Spirit Detective.
{1}{W}, {T}, Remove a charge counter from Otherworldly Escort: Destroy target creature that dealt damage to you this turn.

Exile target creature. At the beginning of the next end step, return that card to the battlefield under its owner's control with a +1/+1 counter on it.

Put target creature into its owner's library second from the top. Its controller gains 3 life.

When Out of Time enters the battlefield, untap all creatures, then those creatures phase out until Out of Time leaves the battlefield. Put a time counter on Out of Time for each creature that phased out this way.
Vanishing

Outflank deals damage to target attacking or blocking creature equal to the number of creatures you control.