M:tG card similarity search
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
| Name | Mana | Type | Text |
|---|---|---|---|
| Turbo-Thwacking Auto-Hammer | Artifact — Contraption | Whenever you crank Turbo-Thwacking Auto-Hammer, target creature gains double strike until end of turn. | |
| Rock Jockey | 2R | Creature — Goblin | You can't cast this spell if you've played a land this turn. You can't play lands if you've cast Rock Jockey this turn. 3/3 |
| Paradox Engine | 5 | Legendary Artifact | Whenever you cast a spell, untap all nonland permanents you control. |
| Magmaroth | 3R | Creature — Elemental | At the beginning of your upkeep, put a -1/-1 counter on Magmaroth. Whenever you cast a noncreature spell, remove a -1/-1 counter from Magmaroth. 5/5 |
| Cabal Paladin | 3B | Creature — Human Knight | Whenever you cast a historic spell, Cabal Paladin deals 2 damage to each opponent. (Artifacts, legendaries, and Sagas are historic.) 4/2 |
| Kraken's Eye | 2 | Artifact | Whenever a player casts a blue spell, you may gain 1 life. |
| Quirion Beastcaller | 1G | Creature — Dryad Warrior | Whenever you cast a creature spell, put a +1/+1 counter on Quirion Beastcaller. When Quirion Beastcaller dies, distribute X +1/+1 counters among any number of target creatures you control, where X is the number of +1/+1 counters on Quirion Beastcaller. 2/2 |
| Nassari, Dean of Expression | 3RR | Legendary Creature — Efreet Shaman | At the beginning of your upkeep, exile the top card of each opponent's library. Until end of turn, you may cast spells from among those exiled cards, and you may spend mana as though it were mana of any color to cast those spells. Whenever you cast a spell from exile, put a +1/+1 counter on Nassari, Dean of Expression. 4/4 |
| Diamond Knight | 3 | Artifact Creature — Knight | Vigilance (Attacking doesn't cause this creature to tap.) As Diamond Knight enters the battlefield, choose a color. Whenever you cast a spell of the chosen color, put a +1/+1 counter on Diamond Knight. 1/1 |
| Nether Void | 3B | World Enchantment | Whenever a player casts a spell, counter it unless that player pays {3}. |