Charging Griffin

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever this creature attacks, it gets +1/+1 until end of turn.

Hammer Dropper

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Roc Charger

Flying
Whenever this creature attacks, target attacking creature without flying gains flying until end of turn.

Parhelion Patrol

Flying
Vigilance (Attacking doesn't cause this creature to tap.)
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Built to Last

Target creature gets +2/+2 until end of turn. If it's an artifact creature, it gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Raid Bombardment

Whenever a creature you control with power 2 or less attacks, this enchantment deals 1 damage to the player or planeswalker that creature is attacking.

Goblin War Paint

Enchant creature
Enchanted creature gets +2/+2 and has haste.

Make Obsolete

Creatures your opponents control get -1/-1 until end of turn.

Honored Crop-Captain

Whenever this creature attacks, other attacking creatures get +1/+0 until end of turn.

Swashbuckling

Tormenting Voice

As an additional cost to cast this spell, discard a card.
Draw two cards.

Akroan Hoplite

Whenever this creature attacks, it gets +X/+0 until end of turn, where X is the number of attacking creatures you control.

Lavakin Brawler

Whenever this creature attacks, it gets +1/+0 until end of turn for each Elemental you control.

Swathcutter Giant

Vigilance
Whenever this creature attacks, it deals 1 damage to each creature defending player controls.

Unfriendly Fire

Unfriendly Fire deals 4 damage to any target.

Prying Questions

Target opponent loses 3 life and puts a card from their hand on top of their library.

Rage of Purphoros

Rage of Purphoros deals 4 damage to target creature. It can't be regenerated this turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Wojek Bodyguard

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
This creature can't attack or block alone.

Burning-Tree Vandal

Riot (This creature enters with your choice of a +1/+1 counter or haste.)
Whenever this creature attacks, you may discard a card. If you do, draw a card.

Fiend Binder

Whenever this creature attacks, tap target creature defending player controls.

Pressure Point

Impeccable Timing

Impeccable Timing deals 3 damage to target attacking or blocking creature.

Vessel of Ephemera

{2}{W}, Sacrifice this enchantment: Create two 1/1 white Spirit creature tokens with flying.

Isshin, Two Heavens as One

If a creature attacking causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Bone Splinters

As an additional cost to cast this spell, sacrifice a creature.
Destroy target creature.

Goblin Banneret

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
{1}{R}: This creature gets +2/+0 until end of turn.

Inspired Charge

Creatures you control get +2/+1 until end of turn.

Chandra's Triumph

Chandra's Triumph deals 3 damage to target creature or planeswalker an opponent controls. Chandra's Triumph deals 5 damage instead if you control a Chandra planeswalker.

Goblin Heelcutter

Whenever this creature attacks, target creature can't block this turn.
Dash {2}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Nahiri's Machinations

At the beginning of combat on your turn, target creature you control gains indestructible until end of turn.
{1}{R}: This enchantment deals 1 damage to target blocking creature.

Decommission

Destroy target artifact or enchantment.
Revolt — If a permanent left the battlefield under your control this turn, you gain 3 life.

Pegasus Courser

Flying
Whenever this creature attacks, another target attacking creature gains flying until end of turn.

Giant Spectacle

Enchant creature
Enchanted creature gets +2/+1 and has menace.

Plains

Anointer of Valor

Flying
Whenever a creature attacks, you may pay {3}. When you do, put a +1/+1 counter on that creature.

Conduit of Emrakul

Whenever this creature attacks, add {C}{C} at the beginning of your next main phase this turn.

Conduit of Storms

Whenever this creature attacks, add {R} at the beginning of your next main phase this turn.
{3}{R}{R}: Transform this creature.

Conduit of Storms // Conduit of Emrakul

Consul's Lieutenant

First strike
Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
Whenever this creature attacks, if it's renowned, other attacking creatures you control get +1/+1 until end of turn.

Brazen Wolves

Whenever this creature attacks, it gets +2/+0 until end of turn.

Merciless Resolve

As an additional cost to cast this spell, sacrifice a creature or land.
Draw two cards.

Mountain

Splendid Agony

Distribute two -1/-1 counters among one or two target creatures.

Steadfast Cathar

Whenever this creature attacks, it gets +0/+2 until end of turn.

Goblin Locksmith

Whenever this creature attacks, creatures with defender can't block this turn.

Ethereal Guidance

Ruthless Disposal

As an additional cost to cast this spell, discard a card and sacrifice a creature.
Two target creatures each get -13/-13 until end of turn.

Thunderous Might

Enchant creature
Whenever enchanted creature attacks, it gets +X/+0 until end of turn, where X is your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.)

Sunhome Stalwart

First strike (This creature deals combat damage before creatures without first strike.)
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Ogre Errant

Whenever this creature attacks, another target attacking Knight gains menace until end of turn. (It can't be blocked except by two or more creatures.)

Ankle Shanker

Haste
Whenever this creature attacks, creatures you control gain first strike and deathtouch until end of turn.

Sigiled Skink

Whenever this creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Shock

Burden of Guilt

Enchant creature
{1}: Tap enchanted creature.

Skywhaler's Shot

Destroy target creature with power 3 or greater. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Boros Challenger

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
{2}{R}{W}: This creature gets +1/+1 until end of turn.

Mardu Roughrider

Whenever this creature attacks, target creature can't block this turn.

Tectonic Rift

Destroy target land. Creatures without flying can't block this turn.

Dauntless Aven

Flying
Whenever this creature attacks, untap target creature you control.

Wildfire Eternal

Afflict 4 (Whenever this creature becomes blocked, defending player loses 4 life.)
Whenever this creature attacks and isn't blocked, you may cast an instant or sorcery spell from your hand without paying its mana cost.

Borrowed Grace

Escalate {1}{W} (Pay this cost for each mode chosen beyond the first.)
Choose one or both —
• Creatures you control get +2/+0 until end of turn.
• Creatures you control get +0/+2 until end of turn.

Barging Sergeant

Haste
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Dire Fleet Captain

Whenever this creature attacks, it gets +1/+1 until end of turn for each other attacking Pirate.

Kangee's Lieutenant

Flying
Whenever this creature attacks, attacking creatures with flying get +1/+1 until end of turn.
Encore {5}{W} ({5}{W}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Swamp

Last Breath

Exile target creature with power 2 or less. Its controller gains 4 life.

Cathar's Companion

Whenever you cast a noncreature spell, this creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)