Whenever an opponent discards a card, Abyssal Nocturnus gets +2/+2 and gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Destroy target creature. It can't be regenerated. Its controller creates a 1/1 white Spirit creature token with flying.

+1: Target permanent doesn't untap during its controller's next untap step.

-2: Ajani Vengeant deals 3 damage to any target and you gain 3 life.

-7: Destroy all lands target player controls.

Akoum Refuge enters the battlefield tapped.

When Akoum Refuge enters the battlefield, you gain 1 life.

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

Creatures you control have flying, first strike, vigilance, trample, haste, and protection from black and from red.

This spell can't be countered.

Flying, trample, protection from white and from blue

{R}: Akroma, Angel of Fury gets +1/+0 until end of turn.

Morph {3}{R}{R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Flying

When Angel of Mercy enters the battlefield, you gain 3 life.

Flying

Each opponent who cast a spell this turn can't attack with creatures.

Each opponent who attacked with a creature this turn can't cast spells.

Prevent all combat damage that would be dealt this turn.

Cycling {2} ({2}, Discard this card: Draw a card.)

Multikicker {1}{W} (You may pay an additional {1}{W} any number of times as you cast this spell.)

Flying

Apex Hawks enters the battlefield with a +1/+1 counter on it for each time it was kicked.

{2}, {T}, Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

Enchant creature

Enchanted creature has flying, first strike, and vigilance.

Ashenmoor Cohort gets +1/+1 as long as you control another black creature.

Ashenmoor Gouger can't block.

Protection from black and from red

Whenever another creature enters the battlefield, you may gain 1 life.

Metalcraft -- As long as you control three or more artifacts, Auriok Sunchaser gets +2/+2 and has flying.

Flying

{T}: Attach target Equipment you control to target creature you control.

Flying

Players can't cast spells during combat.

{R}: Target creature attacks this turn if able.

Flying

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Whenever a creature you control attacks alone, it gains lifelink until end of turn.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Benalish Commander's power and toughness are each equal to the number of Soldiers you control.

Suspend X--{X}{W}{W}. X can't be 0.

Whenever a time counter is removed from Benalish Commander while it's exiled, create a 1/1 white Soldier creature token.

Flash (You may cast this spell any time you could cast an instant.)

First strike (This creature deals combat damage before creatures without first strike.)

First strike (This creature deals combat damage before creatures without first strike.)

Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)

Flying (This creature can't be blocked except by creatures with flying or reach.)

Whenever Blinding Angel deals combat damage to a player, that player skips their next combat phase.

First strike, protection from white

Bojuka Bog enters the battlefield tapped.

When Bojuka Bog enters the battlefield, exile target player's graveyard.

{T}: Add {B}.

Boros Garrison enters the battlefield tapped.

When Boros Garrison enters the battlefield, return a land you control to its owner's hand.

{T}: Add {R}{W}.

{1}, {T}: Add {R}{W}.

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Flying

Clockwork Condor enters the battlefield with three +1/+1 counters on it.

Whenever Clockwork Condor attacks or blocks, remove a +1/+1 counter from it at end of combat.

Clockwork Hydra enters the battlefield with four +1/+1 counters on it.

Whenever Clockwork Hydra attacks or blocks, remove a +1/+1 counter from it. If you do, Clockwork Hydra deals 1 damage to any target.

{T}: Put a +1/+1 counter on Clockwork Hydra.

{T}: Add one mana of any color in your commander's color identity.

At the beginning of each upkeep, put a strife counter on Crescendo of War.

Attacking creatures get +1/+0 for each strife counter on Crescendo of War.

Blocking creatures you control get +1/+0 for each strife counter on Crescendo of War.

Destroy all creatures. They can't be regenerated.

Add {B}{B}{B}.

Flying

{W}{W}: Target creature gains indestructible until end of turn.

Search your library for a card, put that card into your hand, then shuffle.

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

{3}, {T}: Double the amount of each type of unspent mana you have.

Flying

Landfall -- Whenever a land enters the battlefield under your control, you may create a 1/1 white Bird creature token with flying.

Flying

Whenever Emissary of Despair deals combat damage to a player, that player loses 1 life for each artifact they control.

{T}: Add {C}.

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

As long as Flaring Flame-Kin is enchanted, it gets +2/+2, has trample, and has "{R}: Flaring Flame-Kin gets +1/+0 until end of turn."

Flying

When Howling Banshee enters the battlefield, each player loses 3 life.

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Flying, haste

When Hunted Dragon enters the battlefield, target opponent creates three 2/2 white Knight creature tokens with first strike.

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.

Knight creatures you control have double strike.

First strike (This creature deals combat damage before creatures without first strike.)

Other Knight creatures you control get +1/+1 and have indestructible. (Damage and effects that say "destroy" don't destroy them.)

Flying; flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Suspend 3--{W} (Rather than cast this card from your hand, you may pay {W} and exile it with three 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. It has haste.)

First strike

When Knight of the White Orchid enters the battlefield, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

Multikicker {W} (You may pay an additional {W} any number of times as you cast this spell.)

Flying

When Lightkeeper of Emeria enters the battlefield, you gain 2 life for each time it was kicked.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

Double strike, protection from black and from green

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Whenever an Equipment enters the battlefield under your control, you may draw a card.

Metalcraft -- Equipment you control have equip {0} as long as you control three or more artifacts.

{T}: Add {C}{C}.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Flying, vigilance

{T}: Choose a creature card at random from target opponent's graveyard. Put that card onto the battlefield under your control.

Destroy target creature. It can't be regenerated.