M:tG card similarity search
2U · Instant
Counter target spell unless its controller pays {1}. That player discards a card.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Thoughtbind | 2U | Instant | Counter target spell with mana value 4 or less. | 
| Dihada's Ploy | 1UB | Instant | Draw two cards, then discard a card. You gain life equal to the number of cards you've discarded this turn. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.) | 
| Mercurial Chemister | 3UR | Creature — Human Wizard | {U}, {T}: Draw two cards. {R}, {T}, Discard a card: Mercurial Chemister deals damage to target creature equal to the discarded card's mana value. 2/3 | 
| Siren of the Silent Song | 1UB | Creature — Zombie Siren | Flying Inspired — Whenever Siren of the Silent Song becomes untapped, each opponent discards a card, then each opponent mills a card. 2/1 | 
| Coral Helm | 3 | Artifact | {3}, Discard a card at random: Target creature gets +2/+2 until end of turn. | 
| Urgoros, the Empty One | 4BB | Legendary Creature — Specter | 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. 4/3 | 
| Volrath's Shapeshifter | 1UU | Creature — Phyrexian Shapeshifter | As long as the top card of your graveyard is a creature card, Volrath's Shapeshifter has the full text of that card and has the text "{2}: Discard a card." (Volrath's Shapeshifter has that card's name, mana cost, color, types, abilities, power, and toughness.) {2}: Discard a card. 0/1 | 
| Humiliate | WB | Sorcery | Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Put a +1/+1 counter on a creature you control. | 
| Sky-Eel School | 3UU | Creature — Fish | Flying When Sky-Eel School enters the battlefield, draw a card, then discard a card. 3/3 | 
| 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, you may draw a card. If you do, discard a card unless Moon-Circuit Hacker entered the battlefield this turn. 2/1 |