M:tG card similarity search
UB · Creature — Frog
Whenever Psychic Frog deals combat damage to a player or planeswalker, draw a card. Discard a card: Put a +1/+1 counter on Psychic Frog. Exile three cards from your graveyard: Psychic Frog gains flying until end of turn. 1/2
| Name | Mana | Type | Text | 
|---|---|---|---|
| Stromkirk Patrol | 4B | Creature — Vampire Soldier | Whenever Stromkirk Patrol deals combat damage to a player, put a +1/+1 counter on it. 4/3 | 
| Riptide Pilferer | 1U | Creature — Merfolk Rogue | Whenever Riptide Pilferer deals combat damage to a player, that player discards a card. Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 1/1 | 
| Stronghold Rats | 2B | Creature — Rat | Shadow (This creature can block or be blocked by only creatures with shadow.) Whenever Stronghold Rats deals combat damage to a player, each player discards a card. 2/1 | 
| Witch-king of Angmar | 3BB | Legendary Creature — Wraith Noble | Flying Whenever one or more creatures deal combat damage to you, each opponent sacrifices a creature that dealt combat damage to you this turn. The Ring tempts you. Discard a card: Witch-king of Angmar gains indestructible until end of turn. Tap it. 5/3 | 
| Neheb, Dreadhorde Champion | 2RR | Legendary Creature — Zombie Minotaur Warrior | Trample Whenever Neheb, Dreadhorde Champion deals combat damage to a player or planeswalker, you may discard any number of cards. If you do, draw that many cards and add that much {R}. Until end of turn, you don't lose this mana as steps and phases end. 5/4 | 
| Headless Specter | 1BB | Creature — Specter | Flying Hellbent — Whenever Headless Specter deals combat damage to a player, if you have no cards in hand, that player discards a card at random. 2/2 | 
| A-Moon-Circuit Hacker | 1U | Enchantment Creature — Human Ninja | Ninjutsu {U} ({U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Moon-Circuit Hacker deals combat damage to a player, scry 2, then draw a card. Discard a card unless Moon-Circuit Hacker entered the battlefield this turn. 2/1 | 
| Skeleton Key | 1 | Artifact — Equipment | Equipped creature has skulk. (It can't be blocked by creatures with greater power.) Whenever equipped creature deals combat damage to a player, you may draw a card. If you do, discard a card. Equip {2} | 
| Thieving Aven | 2U | Creature — Bird Rogue | Flying Whenever Thieving Aven deals combat damage to a player, heist target opponent's library. Whenever you cast a spell you don't own, put a +1/+1 counter on Thieving Aven. 1/4 | 
| Storrev, Devkarin Lich | 1BBG | Legendary Creature — Zombie Elf Wizard | Trample Whenever Storrev, Devkarin Lich deals combat damage to a player or planeswalker, return to your hand target creature or planeswalker card in your graveyard that wasn't put there this combat. 5/4 |