M:tG card similarity search
3U · Instant — Trap
If three or more creatures are attacking, you may pay {U} rather than pay this spell's mana cost. Attacking creatures get -3/-0 until end of turn.
| Name | Mana | Type | Text |
|---|---|---|---|
| Conspiracy Theorist | 1R | Creature — Human Shaman | Whenever Conspiracy Theorist attacks, you may pay {1} and discard a card. If you do, draw a card. Whenever you discard one or more nonland cards, you may exile one of them from your graveyard. If you do, you may cast it this turn. 2/2 |
| The Zephyr Maze | Plane — Kyneth | Creatures with flying get +2/+0. Creatures without flying get -2/-0. Whenever chaos ensues, target creature gains flying until end of turn. | |
| Leaf-Crowned Visionary | GG | Creature — Elf Druid | Other Elves you control get +1/+1. Whenever you cast an Elf spell, you may pay {G}. If you do, draw a card. 1/1 |
| Halls of Mist | Land | Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Creatures that attacked during their controller's last turn can't attack. | |
| Invoke Calamity | 1RRRR | Instant | You may cast up to two instant and/or sorcery spells with total mana value 6 or less from your graveyard and/or hand without paying their mana costs. If those spells would be put into your graveyard, exile them instead. Exile Invoke Calamity. |
| Disruptive Student | 2U | Creature — Human Wizard | {T}: Counter target spell unless its controller pays {1}. 1/1 |
| Fallen Shinobi | 3UB | Creature — Zombie Ninja | Ninjutsu {2}{U}{B} ({2}{U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Fallen Shinobi deals combat damage to a player, that player exiles the top two cards of their library. Until end of turn, you may play those cards without paying their mana costs. 5/4 |
| Herald of Anguish | 5BB | Creature — Demon | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Flying At the beginning of your end step, each opponent discards a card. {1}{B}, Sacrifice an artifact: Target creature gets -2/-2 until end of turn. 5/5 |
| Vectis Dominator | 1WB | Artifact Creature — Human Wizard | {T}: Tap target creature unless its controller pays 2 life. 0/2 |
| Infernal Darkness | 2BB | Enchantment | Cumulative upkeep—Pay {B} and 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) If a land is tapped for mana, it produces {B} instead of any other type. |