M:tG card similarity search
4 · Artifact Creature — Dog
Whenever Iron Mastiff attacks, roll a d20 for each player being attacked and ignore all but the highest roll. 1—9 | Iron Mastiff deals damage equal to its power to you. 10—19 | Iron Mastiff deals damage equal to its power to defending player. 20 | Iron Mastiff deals damage equal to its power to each opponent. 4/4
| Name | Mana | Type | Text |
|---|---|---|---|
| Psychogenic Probe | 2 | Artifact | Whenever a spell or ability causes a player to shuffle their library, Psychogenic Probe deals 2 damage to that player. |
| Skullpiercer Gnat | GU | Creature — Phyrexian Insect | Flying Toxic 1 Whenever Skullpiercer Gnat deals combat damage to a player, a random nonland card in that player's hand perpetually gains "When you cast this spell, you get a poison counter." 1/1 |
| The Rack | 1 | Artifact | As The Rack enters the battlefield, choose an opponent. At the beginning of the chosen player's upkeep, The Rack deals X damage to that player, where X is 3 minus the number of cards in their hand. |
| Cognivore | 6UU | Creature — Lhurgoyf | Flying Cognivore's power and toughness are each equal to the number of instant cards in all graveyards. */* |
| Psychic Impetus | 2U | Enchantment — Aura | Enchant creature Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) Whenever enchanted creature attacks, you scry 2. |
| Urborg Stalker | 3B | Creature — Horror | At the beginning of each player's upkeep, if that player controls a nonblack, nonland permanent, Urborg Stalker deals 1 damage to that player. 2/4 |
| Sustaining Spirit | 1W | Creature — Angel Spirit | Cumulative upkeep {1}{W} (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.) Damage that would reduce your life total to less than 1 reduces it to 1 instead. 0/3 |
| Blightbelly Rat | 1B | Creature — Phyrexian Rat | Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) When Blightbelly Rat dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) 2/2 |
| Chaos Maw | 5RR | Creature — Hellion | When Chaos Maw enters the battlefield, it deals 3 damage to each other creature. 6/6 |
| Flame Discharge | XR | Instant | Flame Discharge deals X damage to target creature or planeswalker. If you controlled a modified creature as you cast this spell, it deals X plus 2 damage instead. (Equipment, Auras you control, and counters are modifications.) |