Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Ninja of the Deep Hours deals combat damage to a player, you may draw a card.

Whenever you tap a Swamp for mana, add an additional .

: Nirkana Revenant gets +1/+1 until end of turn.

+2: Untap up to two target creatures and up to two target lands.

−3: Target creature gets +5/+5 until end of turn.

−10: Look at the top ten cards of your library. You may put any number of creature and/or land cards from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

+2: Scry 2.

0: Look at the top card of your library. If it's a land card or a creature card with mana value less than or equal to the number of loyalty counters on Nissa, Steward of Elements, you may put that card onto the battlefield.

−6: Untap up to two target lands you control. They become 5/5 Elemental creatures with flying and haste until end of turn. They're still lands.

Whenever you tap a Forest for mana, add an additional .

+1: Put three +1/+1 counters on up to one target noncreature land you control. Untap it. It becomes a 0/0 Elemental creature with vigilance and haste that's still a land.

−8: You get an emblem with "Lands you control have indestructible." Search your library for any number of Forest cards, put them onto the battlefield tapped, then shuffle.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle. You gain 7 life.

Noble's Purse enters the battlefield tapped and with three coin counters on it.

, Remove a coin counter from Noble's Purse: Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

, : Tap target creature.

Threshold — , : Tap two target creatures. Activate only if seven or more cards are in your graveyard.

: Untap target blue creature.

: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only before attackers are declared.

Until end of turn, target creature you control gains "When this creature dies, return it to the battlefield tapped under its owner's control, then create a Wicked Role token attached to it." (Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.)

, Exile a creature card from your graveyard: Create a tapped 2/2 black Zombie creature token.

Enchant artifact or creature

Enchanted permanent doesn't untap during its controller's untap step.

At the beginning of the upkeep of enchanted permanent's controller, that player loses 1 life.

You have no maximum hand size.

Sonic Booster — Whenever Nyssa of Traken attacks, sacrifice X artifacts. When you sacrifice one or more artifacts this way, tap up to X target creatures and you draw X cards.

Doctor's companion (You can have two commanders if the other is the Doctor.)

Trample

If you tap a permanent for mana, it produces three times as much of that mana instead.

, , Sacrifice Oashra Cultivator: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

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.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

As Obelisk of Urd enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +2/+2.

Choose one —

• Return target multicolored permanent card with mana value 3 or less from your graveyard to the battlefield tapped.

• Counter target instant or sorcery spell.

• Destroy target creature or planeswalker with mana value 3 or less.

Obsidian Obelisk enters the battlefield tapped.

: Add .

: Add one mana of any color. Spend this mana only to cast a multicolored spell.

Enchant creature

Enchanted creature has base power and toughness 8/8 and has "Whenever this creature attacks, you may tap target creature with power 8 or less."

Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Haste

Whenever a creature you control with haste attacks, create a tapped Treasure token.

Reach

Untap all Archers you control during each other player's untap step.

Whenever an Archer you control deals damage to a creature, you may pay . If you do, draw a card.

Trample

Whenever Ojer Kaslem deals combat damage to a player, reveal that many cards from the top of your library. You may put a creature card and/or a land card from among them onto the battlefield. Put the rest on the bottom in a random order.

When Ojer Kaslem dies, return it to the battlefield tapped and transformed under its owner's control.

Vigilance

If one or more creature tokens would be created under your control, three times that many of those tokens are created instead.

When Ojer Taq dies, return it to the battlefield tapped and transformed under its owner's control.

Flying, vigilance

Whenever a Dragon you control attacks, tap target nonland permanent an opponent controls. That permanent doesn't untap during its controller's next untap step.

You may exert Oketra's Avenger as it attacks. When you do, prevent all combat damage that would be dealt to it this turn. (An exerted creature won't untap during your next untap step.)

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Okiba-Gang Shinobi deals combat damage to a player, that player discards two cards.

You may choose not to untap Old Man of the Sea during your untap step.

: Gain control of target creature with power less than or equal to Old Man of the Sea's power for as long as Old Man of the Sea remains tapped and that creature's power remains less than or equal to Old Man of the Sea's power.

Old-Growth Grove enters the battlefield tapped.

: Add or .

Flying, haste

Whenever Olivia, Crimson Bride attacks, return target creature card from your graveyard to the battlefield tapped and attacking. It gains "When you don't control a legendary Vampire, exile this creature."

When Omenpath Journey enters the battlefield, search your library for up to five land cards that have different names, exile them, then shuffle.

At the beginning of your end step, choose a card at random exiled with Omenpath Journey and put it onto the battlefield tapped.

Whenever you draw your second card each turn, you may put a land card from your hand onto the battlefield tapped.

Ondu Skyruins enters the battlefield tapped.

: Add .

Enchant creature

Whenever enchanted creature deals combat damage to a player, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Whenever a player casts a black spell, you may pay . If you do, untap target permanent.

X can't be greater than the number of players in the game.

Reveal cards from the top of your library until you reveal X land cards. Put those land cards onto the battlefield tapped and the rest on the bottom of your library in a random order.

Opulent Palace enters the battlefield tapped.

: Add , , or .

Oran-Rief, the Vastwood enters the battlefield tapped.

: Add .

: Put a +1/+1 counter on each green creature that entered the battlefield this turn.

: Target land becomes a Swamp until its controller's next untap step.

Enchant creature

Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Nylea.

When you sacrifice Ordeal of Nylea, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

, : Return target creature card with mana value 3 or less from your graveyard to the battlefield. ( is the untap symbol.)

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

Trample

Orgg can't attack if defending player controls an untapped creature with power 3 or greater.

Orgg can't block creatures with power 3 or greater.

Untap target creature. It gets +1/+3 until end of turn.

Whenever a creature you control deals combat damage to a player, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Whenever chaos ensues, target creature can't be blocked this turn.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever one or more creatures you control deal combat damage to a player, create a Treasure token and manifest the top card of that player's library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Orzhov Guildgate enters the battlefield tapped.

: Add or .

Flying, lifelink, haste

Whenever Otharri, Suns' Glory attacks, you get an experience counter. Then create a 2/2 red Rebel creature token that's tapped and attacking for each experience counter you have.

, Tap an untapped Rebel you control: Return Otharri from your graveyard to the battlefield tapped.

This spell can't be countered. (This includes by the ward ability.)

Tap up to two target creatures and put a stun counter on each of them. Investigate. (If a permanent with a stun counter would become untapped, remove one from it instead.)