At the beginning of your upkeep, draw a card if you control the creature with the greatest toughness or tied for the greatest toughness.

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

When Affa Guard Hound enters, target creature gets +0/+3 until end of turn.

Outlast (, : Put a +1/+1 counter on this creature. Outlast only as a sorcery.)

Each creature you control with a +1/+1 counter on it has first strike.

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Ainok Survivalist is turned face up, destroy target artifact or enchantment an opponent controls.

Landfall — Whenever a land you control enters, Akoum Hellhound gets +2/+2 until end of turn.

Vigilance (Attacking doesn't cause this creature to tap.)

Whenever Ashmouth Hound blocks or becomes blocked by a creature, Ashmouth Hound deals 1 damage to that creature.

As an additional cost to cast this spell, sacrifice a creature or pay .

, Sacrifice another creature: Blazing Hellhound deals 1 damage to any target.

Whenever you're dealt damage, you may put that many +1/+1 counters on Blood Hound.

At the beginning of your end step, remove all +1/+1 counters from Blood Hound.

When Boneyard Aberration dies, exile it. If you do, conjure three cards named Reassembling Skeleton into your graveyard.

Trample

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

Partner with Chakram Slinger (When this creature enters, target player may put Chakram Slinger into their hand from their library, then shuffle.)

Whenever you cast a spell during your turn, untap target creature.

: Chandra's Magmutt deals 1 damage to target player or planeswalker.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Corpse Cur enters, you may return target creature card with infect from your graveyard to your hand.

When Dreadhound enters, mill three cards. (Put the top three cards of your library into your graveyard.)

Whenever a creature dies or a creature card is put into a graveyard from a library, each opponent loses 1 life.

Menace (This creature can't be blocked except by two or more creatures.)

When Edgewall Pack enters, create a 1/1 black Rat creature token with "This creature can't block."

First strike

, , Sacrifice Encampment Keeper: Creatures you control get +2/+2 until end of turn.

Vigilance

Faithful Watchdog enters with three +1/+1 counters on it.

Whenever Filthy Cur is dealt damage, you lose that much life.

Creatures you control have vigilance as long as Gate Hound is enchanted.

First strike

Menace (This creature can't be blocked except by two or more creatures.)

, Sacrifice Goldhound: Add one mana of any color.

Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

, : Choose a permanent you control. Prevent all combat damage target creature would deal this turn if it shares a color with that permanent.

At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, Hellfire Mongrel deals 2 damage to that player.

At the beginning of your upkeep, if you have no cards in hand, each opponent loses 2 life.

At the beginning of each opponent's upkeep, if that player has no cards in hand, they lose 2 life.

Delirium — Hound of the Farbogs has menace as long as there are four or more card types among cards in your graveyard. (A creature with menace can't be blocked except by two or more creatures.)

: Igneous Cur gets +2/+0 until end of turn.

Whenever Iron Mastiff attacks, roll a d20 for each player being attacked and ignore all but the highest roll.

1–9 | Iron Mastiff deals damage equal to its power to you.

10–19 | Iron Mastiff deals damage equal to its power to defending player.

20 | Iron Mastiff deals damage equal to its power to each opponent.

Negative — As long as K-9, Mark I is untapped, other legendary creatures you control have ward .

Affirmative — , : Target legendary creature can't be blocked this turn.

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

Whenever Karplusan Hound attacks, if you control a Chandra planeswalker, this creature deals 2 damage to any target.

Menace

Equipped creature gets +2/+2 and has menace.

Whenever Komainu Battle Armor or equipped creature deals combat damage to a player, goad each creature that player controls.

Reconfigure (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Vigilance, menace, lifelink

Creature cards in graveyards can't enter the battlefield.

Players can't cast spells from graveyards.

Haste

When Lava Hounds enters, it deals 4 damage to you.

First strike

Vigilance

When Loyal Warhound enters, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

At the beginning of your end step, if Mad Dog didn't attack or come under your control this turn, sacrifice it.

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Mogis's Warhound attacks each combat if able.

Enchanted creature gets +2/+2 and attacks each combat if able.

Monstrous Hound can't attack unless you control more lands than defending player.

Monstrous Hound can't block unless you control more lands than attacking player.

Whenever Mortis Dogs attacks, it gets +2/+0 until end of turn.

When Mortis Dogs dies, target player loses life equal to its power.

Vigilance, trample

If one or more +1/+1 counters would be put on Mowu, Loyal Companion, that many plus one +1/+1 counters are put on it instead.

Other Dogs you control get +1/+1.

Whenever Pack Leader attacks, prevent all combat damage that would be dealt this turn to Dogs you control.

Partner with Haldan, Avid Arcanist

Haste

Whenever Pako, Arcane Retriever attacks, exile the top card of each player's library and put a fetch counter on each of them. Put a +1/+1 counter on Pako for each noncreature card exiled this way.

When Phantom Whelp attacks or blocks, return it to its owner's hand at end of combat. (Return it only if it's on the battlefield.)

When Plague Dogs dies, all creatures get -1/-1 until end of turn.

, Sacrifice Plague Dogs: Draw a card.

Lifelink, haste

Flash

When Rescue Retriever enters, put a +1/+1 counter on each other Soldier you control.

Prevent all damage that would be dealt to other attacking Soldiers you control.

Whenever Rex, Cyber-Hound deals combat damage to a player, they mill two cards and you get (two energy counters).

Pay : Choose target creature card in a graveyard. Exile it with a brain counter on it. Activate only as a sorcery.

Rex has all activated abilities of all cards in exile with brain counters on them.

All Cats you control are Dogs in addition to their other types.

All Dogs you control are Cats in addition to their other types.

Cats and Dogs you control have haste.