M:tG card similarity search
1UU · Instant
Counter target spell. Cards in your hand that share a card type with that spell perpetually gain "This spell costs {1} less to cast."
| Name | Mana | Type | Text |
|---|---|---|---|
| Autumnal Gloom | 2G | Enchantment | {B}: Mill a card. Delirium — At the beginning of your end step, if there are four or more card types among cards in your graveyard, transform Autumnal Gloom. |
| Border Guardian | 4 | Artifact Creature — Knight | Whenever you cast a silver-bordered spell, put a +1/+1 counter on Border Guardian. Whenever you cast a black-bordered spell, Border Guardian can't be blocked this turn. Whenever you cast a white-bordered spell, Border Guardian gains double strike until end of turn. 1/1 |
| Soul Servitude | 2B | Instant | Target player sacrifices a nontoken creature. When they do, you may discard a card. If you do, conjure a duplicate of the sacrificed creature into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." |
| Thunderherd Migration | 1G | Sorcery | As an additional cost to cast this spell, reveal a Dinosaur card from your hand or pay {1}. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. |
| Ichneumon Druid | 1GG | Creature — Human Druid | Whenever an opponent casts an instant spell other than the first instant spell that player casts each turn, Ichneumon Druid deals 4 damage to that player. 1/1 |
| Unyaro Griffin | 3W | Creature — Griffin | Flying Sacrifice Unyaro Griffin: Counter target red instant or sorcery spell. 2/2 |
| Goblin Cohort | R | Creature — Goblin Warrior | Goblin Cohort can't attack unless you've cast a creature spell this turn. 2/2 |
| Agent of Raffine | U | Creature — Human Rogue | {2}, {T}: Choose target opponent. Conjure a duplicate of the top card of their library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." Then they exile the top card of their library face down. 1/2 |
| Makeshift Mauler | 3U | Creature — Zombie Horror | As an additional cost to cast this spell, exile a creature card from your graveyard. 4/5 |
| Shameless Charlatan | 1U | Legendary Enchantment — Background | Commander creatures you own have "{2}{U}: This creature becomes a copy of another target creature." |