Protection from white

Marauding Knight gets +1/+1 for each Plains your opponents control.

Marauding Maulhorn attacks each combat if able unless you control a creature named Advocate of the Beast.

Flying, vigilance, ward

Whenever you commit a crime, surveil 2. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

When Marsh Crocodile enters the battlefield, return a blue or black creature you control to its owner's hand.

When Marsh Crocodile enters the battlefield, each player discards a card.

Until your next turn, creatures target player controls have base power and toughness 1/1.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flying

Whenever Master of Predicaments deals combat damage to a player, choose a card in your hand. That player guesses whether the card's mana value is greater than 4. If the player guessed wrong, you may cast the card without paying its mana cost.

, , Discard a card: Regenerate target creature.

Draw four cards. You skip your next turn.

Prevent the next 4 damage that would be dealt to any target this turn.

, Discard a card: Draw a card.

Mercadian Bazaar enters the battlefield tapped.

: Put a storage counter on Mercadian Bazaar.

, Remove any number of storage counters from Mercadian Bazaar: Add for each storage counter removed this way.

Each attacking creature gets +1/+0 until end of turn for each nonbasic land defending player controls.

Flying

When Merfolk Skydiver enters the battlefield, put a +1/+1 counter on target creature you control.

: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flash

Enchant creature

When Military Discipline enters the battlefield, enchanted creature gains first strike until end of turn.

Enchanted creature gets +1/+0.

( can be paid with either or .)

: Tap target creature.

Destroy target creature that was dealt damage this turn.

Draw a card.

: Add .

: Put a charge counter on Mirrodin's Core.

, Remove a charge counter from Mirrodin's Core: Add one mana of any color.

You may exile a blue card from your hand rather than pay this spell's mana cost.

Change the target of target spell with a single target.

Haste

, , Discard a card: Draw a card.

Whenever you discard one or more artifact cards, add . This ability triggers only once each turn.

Flash

When Misleading Signpost enters the battlefield during the declare attackers step, you may reselect which player or permanent target attacking creature is attacking. (It can't attack its controller or their permanents.)

: Add .

Secret council — Each player secretly votes for another player, then those votes are revealed. For each vote an opponent received, Mob Verdict deals 2 damage to that player and each creature that player controls. For each vote you received, draw a card.

Exchange control of two target creatures controlled by different players. If you control neither creature, draw three cards.

Haste

When Molten Primordial enters the battlefield, for each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain haste until end of turn.

Moss Diamond enters the battlefield tapped.

: Add .

If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.

: Add one mana of any color.

Roll a d20.

1–9 | Choose an opponent. That player sacrifices a creature.

10–19 | Each opponent sacrifices a creature.

20 | Each opponent sacrifices a creature with the greatest power among creatures that player controls.

This spell costs less to cast if it targets a blue spell.

Counter target spell unless its controller pays .

Whenever a token you control leaves the battlefield, put a +1/+1 counter on Nadier, Agent of the Duskenel.

When Nadier leaves the battlefield, create a number of 1/1 green Elf Warrior creature tokens equal to its power.

Partner (You can have two commanders if both have partner.)

Whenever you draw a card, you may pay . If you do, put a +1/+1 counter on Nadir Kraken and create a 1/1 blue Tentacle creature token.

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

Whenever another creature with power 2 or less enters the battlefield under your control, target creature you control gets +1/+1 until end of turn.

Flying

When Network Disruptor enters the battlefield, tap target permanent.

Search target player's library for X cards, where X is the number of cards in your hand, and exile them. Then that player shuffles.

Epic (For the rest of the game, you can't cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability. You may choose a new target for the copy.)

Whenever one or more creatures you control fight or become blocked, draw a card.

At the beginning of combat on your turn, you may pay . If you do, double target creature's power until end of turn. That creature must be blocked this combat if able. ( can be paid with either or .)

At the beginning of your end step, for each player, put a +1/+1 counter on up to one target creature that player controls.

Each creature with one or more counters on it can't attack you or planeswalkers you control unless its controller pays , where X is the number of counters on that creature.

+1: Create a 0/1 green Plant creature token.

−2: Put a +1/+1 counter on each creature you control.

−7: You gain X life and draw X cards, where X is the number of lands you control.

Enchant land

Enchanted land is a 4/4 Elemental creature with reach and haste. It's still a land.

When enchanted land dies, return that card to its owner's hand.

: Add . Nomad Stadium deals 1 damage to you.

Threshold — , , Sacrifice Nomad Stadium: You gain 4 life. Activate only if seven or more cards are in your graveyard.

, : Destroy target black permanent.

Deathtouch

When Nylea's Disciple enters the battlefield, you gain life equal to your devotion to green. (Each in the mana costs of permanents you control counts toward your devotion to green.)

Equipped creature gets +2/+1 and has haste.

Whenever a Warrior creature enters the battlefield, you may attach Obsidian Battle-Axe to it.

Equip

: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after Obsidian Fireheart has left the battlefield.)

Obsidian Obelisk enters the battlefield tapped.

: Add .

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

Whenever Odious Witch attacks, defending player loses 1 life and you gain 1 life.

Whenever Ophidian attacks and isn't blocked, you may draw a card. If you do, Ophidian assigns no combat damage this turn.

You have hexproof. (You can't be the target of spells or abilities your opponents control.)

If a creature would deal damage to you, prevent 1 of that damage.

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.

: 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

: Add one mana of any color.