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 | 
|---|---|---|---|
| Thriving Heath | Land | Thriving Heath enters the battlefield tapped. As Thriving Heath enters the battlefield, choose a color other than white. {T}: Add {W} or one mana of the chosen color. | |
| Benevolent Blessing | 1W | Enchantment — Aura | Flash Enchant creature As Benevolent Blessing enters the battlefield, choose a color. Enchanted creature has protection from the chosen color. This effect doesn't remove Auras and Equipment you control that are already attached to it. | 
| Sea Gate | Land — Gate | Sea Gate enters the battlefield tapped. As Sea Gate enters the battlefield, choose a color other than blue. {T}: Add {U} or one mana of the chosen color. | |
| Thriving Isle | Land | Thriving Isle enters the battlefield tapped. As Thriving Isle enters the battlefield, choose a color other than blue. {T}: Add {U} or one mana of the chosen color. | |
| Hardy of Myra's Marvels | 2GG | Legendary Creature — Elf Performer | As Hardy of Myra's Marvels enters the battlefield, choose a number. Whenever you cast a spell with the chosen number of lines of flavor text, put that many +1/+1 counters on target creature. Partner (You can have two commanders if both have partner.) 4/4 | 
| Coldsteel Heart | 2 | Snow Artifact | Coldsteel Heart enters the battlefield tapped. As Coldsteel Heart enters the battlefield, choose a color. {T}: Add one mana of the chosen color. | 
| Shimmerdrift Vale | Snow Land | Shimmerdrift Vale enters the battlefield tapped. As Shimmerdrift Vale enters the battlefield, choose a color. {T}: Add one mana of the chosen color. | |
| Uncharted Haven | Land | Uncharted Haven enters the battlefield tapped. As Uncharted Haven enters the battlefield, choose a color. {T}: Add one mana of the chosen color. | |
| Pentarch Ward | 2W | Enchantment — Aura | Enchant creature As Pentarch Ward enters the battlefield, choose a color. When Pentarch Ward enters the battlefield, draw a card. Enchanted creature has protection from the chosen color. This effect doesn't remove Pentarch Ward. | 
| Bathe in Light | 1W | Instant | Radiance — Choose a color. Target creature and each other creature that shares a color with it gain protection from the chosen color until end of turn. |