M:tG card similarity search
2 · Legendary Artifact
You may spend mana as though it were mana of any color to activate abilities of creatures you control. Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron. {T}: Exile target card from a graveyard. When a creature card is exiled this way, put a +1/+1 counter on target creature you control.
| Name | Mana | Type | Text |
|---|---|---|---|
| Soul-Guide Gryff | 4W | Creature — Hippogriff Spirit | Flying When Soul-Guide Gryff enters the battlefield, exile up to one target card from a graveyard. 3/4 |
| Harvest Mage | G | Creature — Human Spellshaper | {G}, {T}, Discard a card: Until end of turn, if you tap a land for mana, it produces one mana of a color of your choice instead of any other type and amount. 1/1 |
| Manaweft Sliver | 1G | Creature — Sliver | Sliver creatures you control have "{T}: Add one mana of any color." 1/1 |
| Lat-Nam Adept | 3U | Creature — Human Wizard | Whenever you draw your second card each turn, put a +1/+1 counter on Lat-Nam Adept. 3/3 |
| Spidersilk Armor | 2G | Enchantment | Creatures you control get +0/+1 and have reach. (They can block creatures with flying.) |
| Replicating Ring | 3 | Snow Artifact | {T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color." |
| Chandra's Regulator | 1R | Legendary Artifact | Whenever you activate a loyalty ability of a Chandra planeswalker, you may pay {1}. If you do, copy that ability. You may choose new targets for the copy. {1}, {T}, Discard a Mountain card or a red card: Draw a card. |
| Blood Researcher | 1BG | Creature — Vampire Druid | Menace (This creature can't be blocked except by two or more creatures.) Whenever you gain life, put a +1/+1 counter on Blood Researcher. 2/2 |
| Mangara of Corondor | 1WW | Legendary Creature — Human Wizard | {T}: Exile Mangara of Corondor and target permanent. 1/1 |
| Letter of Acceptance | 3 | Artifact | {T}: Add one mana of any color. {2}, {T}, Sacrifice Letter of Acceptance: Draw a card. |