Trample

Whenever Spawnwrithe deals combat damage to a player, create a token that's a copy of Spawnwrithe.

Flying

Whenever Sphinx Ambassador deals combat damage to a player, search that player's library for a card, then that player chooses a card name. If you searched for a creature card that doesn't have that name, you may put it onto the battlefield under your control. Then that player shuffles.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Spring-Leaf Avenger deals combat damage to a player, return target permanent card from your graveyard to your hand.

Whenever Stealer of Secrets deals combat damage to a player, draw a card.

Stromkirk Noble can't be blocked by Humans.

Whenever Stromkirk Noble deals combat damage to a player, put a +1/+1 counter on it.

Whenever Stromkirk Patrol deals combat damage to a player, put a +1/+1 counter on it.

Flying

Sturmgeist's power and toughness are each equal to the number of cards in your hand.

Whenever Sturmgeist deals combat damage to a player, draw a card.

Sunder Shaman can't be blocked by more than one creature.

Whenever Sunder Shaman deals combat damage to a player, destroy target artifact or enchantment that player controls.

Whenever you cast an instant or sorcery spell, you may put a charge counter on Surrakar Spellblade.

Whenever Surrakar Spellblade deals combat damage to a player, you may draw X cards, where X is the number of charge counters on it.

Suspicious Stowaway can't be blocked.

Whenever Suspicious Stowaway deals combat damage to a player, draw a card, then discard a card.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Whenever a Sliver deals combat damage to a player, its controller may draw a card.

Trample

Whenever Tana, the Bloodsower deals combat damage to a player, create that many 1/1 green Saproling creature tokens.

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

Flying

Whenever Teneb, the Harvester deals combat damage to a player, you may pay . If you do, put target creature card from a graveyard onto the battlefield under your control.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Thada Adel, Acquisitor deals combat damage to a player, search that player's library for an artifact card and exile it. Then that player shuffles. Until end of turn, you may play that card.

I. AM. TALKING — Whenever The Eleventh Doctor deals combat damage to a player, you may exile a card from your hand with a number of time counters on it equal to its mana value. If it doesn't have suspend, it gains suspend.

: Target creature with power 3 or less can't be blocked this turn.

This spell costs less to cast, where X is the total toughness of creatures you control.

Defender

: Until end of turn, target creature you control gets +1/+0, gains "Whenever this creature deals combat damage to a player, draw cards equal to its toughness," and can attack as though it didn't have defender.

Flying

Whenever Thief of Sanity deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down, then put the rest into their graveyard. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

Flying

Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

Parallel Universe — Whenever Time Beetle deals combat damage to a player, time travel. (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter.)

Ward—Discard a card.

Whenever another nontoken Vampire you control dies, you may pay and exile it. If you do, create a 1/1 black Bat creature token with flying. It gains "When this creature deals combat damage to a player, sacrifice it and return the exiled card to the battlefield tapped."

Flying, ward

Council's dilemma — Whenever Tivit enters the battlefield or deals combat damage to a player, starting with you, each player votes for evidence or bribery. For each evidence vote, investigate. For each bribery vote, create a Treasure token.

While voting, you may vote an additional time. (The votes can be for different choices or for the same choice.)

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

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Whenever Tomebound Lich enters the battlefield or deals combat damage to a player, draw a card, then discard a card.

This spell can't be countered.

Indestructible

Toski, Bearer of Secrets attacks each combat if able.

Whenever a creature you control deals combat damage to a player, draw a card.

Whenever a Wolf or Werewolf you control deals combat damage to a player, draw a card.

: Target Wolf or Werewolf you control gets +X/+0 and gains trample until end of turn.

Nightbound

Flying

Whenever Trygon Predator deals combat damage to a player, you may destroy target artifact or enchantment that player controls.

Flying

Sorcerous Elixir — Whenever Tzaangor Shaman deals combat damage to a player, copy the next instant or sorcery spell you cast this turn when you cast it. You may choose new targets for the copy.

Flying

Whenever Urgoros, the Empty One deals combat damage to a player, that player discards a card at random. If the player can't, you draw a card.

Squad (As an additional cost to cast this spell, you may pay any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.)

Flying

Suppressing Fire — Whenever Vanguard Suppressor deals combat damage to a player, draw a card.

Vigilance, trample

Whenever Venerable Warsinger deals combat damage to a player, you may return target creature card with mana value X or less from your graveyard to the battlefield, where X is the amount of damage Venerable Warsinger dealt to that player.

Flying

Whenever Vexing Radgull deals combat damage to a player, that player gets two rad counters if they don't have any rad counters. Otherwise, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Partner with Gorm the Great (When this creature enters the battlefield, target player may put Gorm into their hand from their library, then shuffle.)

Deathtouch

Whenever Virtus the Veiled deals combat damage to a player, that player loses half their life, rounded up.

Trample

Volatile Rig attacks each combat if able.

Whenever Volatile Rig is dealt damage, flip a coin. If you lose the flip, sacrifice Volatile Rig.

When Volatile Rig dies, flip a coin. If you lose the flip, it deals 4 damage to each creature and each player.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Walker of Secret Ways deals combat damage to a player, look at that player's hand.

: Return target Ninja you control to its owner's hand. Activate only during your turn.

Champion a Merfolk (When this enters the battlefield, sacrifice it unless you exile another Merfolk you control. When this leaves the battlefield, that card returns to the battlefield.)

Whenever Wanderwine Prophets deals combat damage to a player, you may sacrifice a Merfolk. If you do, take an extra turn after this one.

Whenever Water Weird deals combat damage to a player, put a +1/+1 counter on Water Weird if the top card of your library is a nonland card. Otherwise, you may mill a card.

Trample, haste

Whenever Wayward Guide-Beast deals combat damage to a player, return a land you control to its owner's hand.

Flying

Ward—Discard a card. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player discards a card.)

Whenever Westgate Regent deals combat damage to a player, put that many +1/+1 counters on it.

Flying

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

Whenever Whispering Specter deals combat damage to a player, you may sacrifice it. If you do, that player discards a card for each poison counter they have.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Whenever Woebearer deals combat damage to a player, you may return target creature card from your graveyard to your hand.

Flying

Whenever an opponent draws a card except the first one they draw in each of their draw steps, create a 1/1 green Snake creature token.

Whenever Xyris, the Writhing Storm deals combat damage to a player, you and that player each draw that many cards.

Deathtouch

Whenever Yuan-Ti Fang-Blade deals combat damage to a player, venture into the dungeon. (Enter the first room or advance to the next room.)

Commander ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand or the command zone tapped and attacking.)

Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's mana value.

Flying

Whenever Zephyr Winder deals combat damage to a player, untap up to one target creature.

Trample

Whenever Ziatora's Envoy deals combat damage to a player, look at the top card of your library. You may play a land from the top of your library or cast a spell with mana value less than or equal to the damage dealt from the top of your library without paying its mana cost. If you don't, put that card into your hand.

Blitz