mtg.wtf

I — You and target opponent each create a Food token.
II — Each opponent loses 3 life. Create a Treasure token.
III — Create three tapped 1/1 white Spirit creature tokens with flying.

Equipped creature gets +3/+1.
Whenever equipped creature dies, return that card to the battlefield under your control if it's a Samurai card.
When Oathkeeper, Takeno's Daisho is put into a graveyard from the battlefield, exile equipped creature.
Equip {2}

Vigilance
Other creatures you control get +0/+2 and have vigilance.

Oathsworn Knight enters the battlefield with four +1/+1 counters on it.
Oathsworn Knight attacks each combat if able.
If damage would be dealt to Oathsworn Knight while it has a +1/+1 counter on it, prevent that damage and remove a +1/+1 counter from it.

Oathsworn Vampire enters the battlefield tapped.
You may cast Oathsworn Vampire from your graveyard if you gained life this turn.

[+1]: You draw a card and you lose 1 life.
[–3]: Destroy target creature.
[–8]: Target opponent gets an emblem with "Whenever a player draws a card, you lose 2 life."

[+2]: Each opponent loses 1 life. You gain life equal to the life lost this way.
[–2]: Create a 5/5 black Demon creature token with flying. You lose 2 life.
[–8]: You get an emblem with "{1}{B}, Sacrifice a creature: You gain X life and draw X cards, where X is the sacrificed creature's power."
Ob Nixilis of the Black Oath can be your commander.

Flying, trample
Whenever one or more opponents each lose exactly 1 life, put a +1/+1 counter on Ob Nixilis, Captive Kingpin. Exile the top card of your library. Until your next end step, you may play that card.

Flying, trample
Whenever an opponent searches their library, that player sacrifices a creature and loses 10 life.
Whenever another creature dies, put a +1/+1 counter on Ob Nixilis, Unshackled.

Casualty X. The copy isn't legendary and has starting loyalty X.
[+1]: Each opponent loses 2 life unless they discard a card. If you control a Demon or Devil, you gain 2 life.
[–2]: Create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."
[–7]: Target player draws seven cards and loses 7 life.

Landfall — Whenever a land enters the battlefield under your control, you may have target player lose 3 life. If you do, put three +1/+1 counters on Ob Nixilis, the Fallen.

Whenever an opponent draws a card, Ob Nixilis, the Hate-Twisted deals 1 damage to that player.
[–2]: Destroy target creature. Its controller draws two cards.

{T}: The player whose turn it is may end the turn.

Menace
Whenever Obeka, Splitter of Seconds deals combat damage to a player, you get that many additional upkeep steps after this phase.

Reach
Whenever Obelisk Spider deals combat damage to a creature, put a -1/-1 counter on that creature.
Whenever you put one or more -1/-1 counters on a creature, each opponent loses 1 life and you gain 1 life.

{1}{W}, {T}: You gain 5 life.
{1}{U}, {T}: Draw a card, then discard a card.
{1}{B}, {T}: Target creature gets -2/-2 until end of turn.
{1}{R}, {T}: Obelisk of Alara deals 3 damage to target player or planeswalker.
{1}{G}, {T}: Target creature gets +4/+4 until end of turn.

{T}: Add {G}, {W}, or {U}.

{T}: Add {W}, {U}, or {B}.

{T}: Add {U}, {B}, or {R}.

{T}: Add {B}, {R}, or {G}.

{T}: Add {R}, {G}, or {W}.

{6}, {T}: Return target permanent you both own and control to your hand.

Convoke
As Obelisk of Urd enters the battlefield, choose a creature type.
Creatures you control of the chosen type get +2/+2.

Flash
Enchant creature
Enchanted creature has "Discard a card: This creature gets +1/+1 until end of turn."

When Oblivion Ring enters the battlefield, exile another target nonland permanent.
When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.