M:tG card similarity search
1R · Artifact
{1}, {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons. {R}, {T}, Sacrifice Orb of Dragonkind: Look at the top seven cards of your library. You may reveal a Dragon card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
| Name | Mana | Type | Text |
|---|---|---|---|
| Prismatic Boon | XWU | Instant | Choose a color. X target creatures gain protection from the chosen color until end of turn. |
| A-Splitting the Powerstone | 2U | Instant | As an additional cost to cast this spell, sacrifice an artifact. Create two tapped Powerstone tokens. Draw a card. |
| Emperor Crocodile | 3G | Creature — Crocodile | When you control no other creatures, sacrifice Emperor Crocodile. 5/5 |
| Ordeal of Thassa | 1U | Enchantment — Aura | Enchant creature Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Thassa. When you sacrifice Ordeal of Thassa, draw two cards. |
| Power Plant Worker | 5 | Artifact Creature — Assembly-Worker | {3}: Power Plant Worker gets +2/+2 until end of turn. If you control creatures named Mine Worker and Tower Worker, put two +1/+1 counters on Power Plant Worker instead. Activate only once each turn. 4/4 |
| Sunbathing Rootwalla | 1G | Creature — Lizard | Domain — {3}{G}: Until end of turn, Sunbathing Rootwalla gets +1/+1 for each basic land type among lands you control. Activate only once each turn. 2/2 |
| Silent Gravestone | 1 | Artifact | Cards in graveyards can't be the targets of spells or abilities. {4}, {T}: Exile Silent Gravestone and all cards from all graveyards. Draw a card. |
| Force of Negation | 1UU | Instant | If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost. Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. |
| Rainbow Crow | 3U | Creature — Bird | Flying {1}: Rainbow Crow becomes the color of your choice until end of turn. 2/2 |
| Boseiju, Who Shelters All | Legendary Land | Boseiju, Who Shelters All enters the battlefield tapped. {T}, Pay 2 life: Add {C}. If that mana is spent on an instant or sorcery spell, that spell can't be countered. |