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.

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.

, : You gain 5 life.

, : Draw a card, then discard a card.

, : Target creature gets -2/-2 until end of turn.

, : Obelisk of Alara deals 3 damage to target player or planeswalker.

, : Target creature gets +4/+4 until end of turn.

: Add , , or .

: Add , , or .

, : Return target permanent you both own and control to your hand.

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.

, : You may cast an instant or sorcery spell from your hand without paying its mana cost.

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

Flying

When Opportunistic Dragon enters the battlefield, choose target Human or artifact an opponent controls. For as long as Opportunistic Dragon remains on the battlefield, gain control of that permanent, it loses all abilities, and it can't attack or block.

: Orcish Artillery deals 2 damage to any target and 3 damage to you.

Orcish Cannonade deals 2 damage to any target and 3 damage to you.

Draw a card.

: Flip a coin. If you win the flip, target Orc creature gets +2/+0 until end of turn. If you lose the flip, it gets -0/-2 until end of turn.

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

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Orcish Hellraiser dies, it deals 2 damage to target player or planeswalker.

, Sacrifice a Forest: Add three mana in any combination of and/or .

Enchant land

Orcish Mine enters the battlefield with three ore counters on it.

At the beginning of your upkeep or whenever enchanted land becomes tapped, remove an ore counter from Orcish Mine.

When the last ore counter is removed from Orcish Mine, destroy enchanted land and Orcish Mine deals 2 damage to that land's controller.

When Orcish Paratroopers enters the battlefield, 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.

: Look at the top three cards of target player's library.

, Sacrifice an artifact: Orcish Vandal deals 2 damage to any target.

: 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.

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 a planeswalker you control until your next turn.

Art rampage 2 (Whenever this creature becomes blocked by a creature, it gets +2/+2 for each creature in the blocker's art beyond the first.)

Choose a creature type. Target creature gets -1/-1 until end of turn for each permanent of the chosen type you control.

Paradise Druid has hexproof as long as it's untapped.(It can't be the target of spells or abilities your opponents control.)

: Add one mana of any color.

As Paradise Plume enters the battlefield, choose a color.

Whenever a player casts a spell of the chosen color, you may gain 1 life.

: Add one mana of the chosen color.

Delirium — Paranoid Parish-Blade gets +1/+0 and has first strike as long as there are four or more card types among cards in your graveyard.

Whenever a creature enters the battlefield under your control, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the creature, then put the card back or put it into your graveyard.)

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)

Remove a charge counter from Pentad Prism: Add one mana of any color.

Target opponent reveals their hand. You choose a card from it. That player shuffles that card into their library.

Skulk (This creature can't be blocked by creatures with greater power.)

When Persistent Nightmare deals combat damage to a player, return it to its owner's hand.

Trample

Phantom Nishoba enters the battlefield with seven +1/+1 counters on it.

Whenever Phantom Nishoba deals damage, you gain that much life.

If damage would be dealt to Phantom Nishoba, prevent that damage. Remove a +1/+1 counter from Phantom Nishoba.

Destroy target creature. Its controller loses life equal to its power plus its toughness.

Suspend 5— (Rather than cast this card from your hand, you may pay and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Choose any number of modes that total exactly 4. You may choose the same mode more than once.

1 Put a +1/+1 counter on target creature.

2 Create a 1/1 black Snake creature token with deathtouch.

4 All creatures get -2/-2 until end of turn.

Defender

As long as you've cast an instant or sorcery spell this turn, Piston-Fist Cyclops can attack as though it didn't have defender.

: Target opponent reveals a card at random from their hand. If it's an instant or sorcery card, exile it. You may cast it without paying its mana cost for as long as it remains exiled. (If it has X in its mana cost, X is 0.) At the beginning of the next end step, if you haven't cast it, return it to its owner's hand. Activate this ability only any time you could cast a sorcery.

Destroy target land. Poison the Well deals 2 damage to that land's controller.

Reach (This creature can block creatures with flying.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Whenever another creature dies, each opponent loses 1 life.

Until end of turn, each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1.

Defender (This creature can't attack.)

, , Sacrifice a creature with defender: Draw a card.

Target creature gets +1/+0 and gains first strike until end of turn.

You gain 2 life for each card in your hand.

Primal Whisperer gets +2/+2 for each face-down creature on the battlefield.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Converge — Prism Array enters the battlefield with a crystal counter on it for each color of mana spent to cast it.

Remove a crystal counter from Prism Array: Tap target creature.

: Scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Choose a color. X target creatures gain protection from the chosen color until end of turn.

Prismatic Geoscope enters the battlefield tapped.

Domain — : Add X mana in any combination of colors, where X is the number of basic land types among lands you control.

: Add .

, : Add one mana of any color.

Prevent all damage that sources of the color of your choice would deal this turn.

Flashback—Tap an untapped white creature you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature

As Prismatic Ward enters the battlefield, choose a color.

Prevent all damage that would be dealt to enchanted creature by sources of the chosen color.