M:tG card similarity search
1BB · Enchantment
Whenever a player casts a spell, that player discards X cards, where X is the number of cards in all graveyards with the same name as that spell.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Vengeful Dreams | WW | Instant | As an additional cost to cast this spell, discard X cards. Exile X target attacking creatures. | 
| Mind Shatter | XBB | Sorcery | Target player discards X cards at random. | 
| Mind Twist | XB | Sorcery | Target player discards X cards at random. | 
| Dreamborn Muse | 2UU | Creature — Spirit | At the beginning of each player's upkeep, that player mills X cards, where X is the number of cards in their hand. 2/2 | 
| Frantic Firebolt | 2R | Instant | Frantic Firebolt deals X damage to target creature, where X is 2 plus the number of cards in your graveyard that are instant cards, sorcery cards, and/or have an Adventure. | 
| Putrefaction | 4B | Enchantment | Whenever a player casts a green or white spell, that player discards a card. | 
| Thieving Sprite | 2B | Creature — Faerie Rogue | Flying When Thieving Sprite enters the battlefield, target player reveals X cards from their hand, where X is the number of Faeries you control. You choose one of those cards. That player discards that card. 1/1 | 
| Moonveil Regent | 3R | Creature — Dragon | Flying Whenever you cast a spell, you may discard your hand. If you do, draw a card for each of that spell's colors. When Moonveil Regent dies, it deals X damage to any target, where X is the number of colors among permanents you control. 4/4 | 
| Chrome Host Seedshark | 2U | Creature — Phyrexian Shark | Flying Whenever you cast a noncreature spell, incubate X, where X is that spell's mana value. (Create an Incubator token with X +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) 2/4 | 
| Glistening Dawn | 2GG | Sorcery | Incubate X twice, where X is the number of lands you control. (To incubate X, create an Incubator token with X +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) |