M:tG card similarity search
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
| Name | Mana | Type | Text |
|---|---|---|---|
| Frontier Siege | 3G | Enchantment | As Frontier Siege enters the battlefield, choose Khans or Dragons. • Khans — At the beginning of each of your main phases, add {G}{G}. • Dragons — Whenever a creature with flying enters the battlefield under your control, you may have it fight target creature you don't control. |
| Call for Unity | 3WW | Enchantment | Revolt — At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a unity counter on Call for Unity. Creatures you control get +1/+1 for each unity counter on Call for Unity. |
| Biogenic Upgrade | 4GG | Sorcery | Distribute three +1/+1 counters among one, two, or three target creatures, then double the number of +1/+1 counters on each of those creatures. |
| Hermit of the Natterknolls | 2G | Creature — Human Werewolf | Whenever an opponent casts a spell during your turn, draw a card. At the beginning of each upkeep, if no spells were cast last turn, transform Hermit of the Natterknolls. 2/3 |
| Dreadhorde Butcher | BR | Creature — Zombie Warrior | Haste Whenever Dreadhorde Butcher deals combat damage to a player or planeswalker, put a +1/+1 counter on Dreadhorde Butcher. When Dreadhorde Butcher dies, it deals damage equal to its power to any target. 1/1 |
| Scalespeaker Shepherd | 2G | Creature — Human Druid | When Scalespeaker Shepherd enters the battlefield, draft a card from Scalespeaker Shepherd's spellbook. Dinosaur spells you cast cost {1} less to cast. 2/1 |
| Llawan, Cephalid Empress | 3U | Legendary Creature — Cephalid Noble | When Llawan, Cephalid Empress enters the battlefield, return all blue creatures your opponents control to their owners' hands. Your opponents can't cast blue creature spells. 2/3 |
| Opposition Agent | 2B | Creature — Human Rogue | Flash You control your opponents while they're searching their libraries. While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them. 3/2 |
| Immersturm Predator | 2BR | Creature — Vampire Dragon | Flying Whenever Immersturm Predator becomes tapped, exile up to one target card from a graveyard and put a +1/+1 counter on Immersturm Predator. Sacrifice another creature: Immersturm Predator gains indestructible until end of turn. Tap it. 3/3 |
| Kozilek's Sentinel | 1R | Creature — Eldrazi Drone | Devoid (This card has no color.) Whenever you cast a colorless spell, Kozilek's Sentinel gets +1/+0 until end of turn. 1/4 |