M:tG card similarity search
3UU · Enchantment
Whenever a player chooses one or more targets, each player reveals the top card of their library. The player who reveals the card with the highest mana value may change the target or targets. If two or more cards are tied for highest, the target or targets remain unchanged. Changing targets this way doesn't trigger abilities of permanents named Psychic Battle.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Leadership Vacuum | 2U | Instant | Target player returns each commander they control from the battlefield to the command zone. Draw a card. | 
| Rings of Brighthearth | 3 | Artifact | Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy. | 
| Ow | B | Enchantment | Whenever a creature deals damage to a player, that player may say "Ow" once for each permanent named Ow. If the player doesn't, Ow deals 1 damage to them. | 
| Horn of Greed | 3 | Artifact | Whenever a player plays a land, that player draws a card. | 
| Song of Inspiration | 3GG | Instant | Choose up to two target permanent cards in your graveyard. Roll a d20 and add the total mana value of those cards. 1—14 | Return those cards to your hand. 15+ | Return those cards to your hand. You gain life equal to their total mana value. | 
| Sage of Days | 2U | Creature — Human Wizard | When Sage of Days enters the battlefield, look at the top three cards of your library. You may put one of those cards back on top of your library. Put the rest into your graveyard. 3/2 | 
| Keeper of Progenitus | 3G | Creature — Elf Druid | Whenever a player taps a Mountain, Forest, or Plains for mana, that player adds one mana of any type that land produced. 1/3 | 
| Lumengrid Augur | 3U | Creature — Vedalken Wizard | {1}, {T}: Target player draws a card, then discards a card. If that player discards an artifact card this way, untap Lumengrid Augur. 2/2 | 
| Elemental Augury | UBR | Enchantment | {3}: Look at the top three cards of target player's library, then put them back in any order. | 
| Shepherd of the Cosmos | 4WW | Creature — Angel Warrior | Flying When Shepherd of the Cosmos enters the battlefield, return target permanent card with mana value 2 or less from your graveyard to the battlefield. Foretell {3}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.) 3/3 |