M:tG card similarity search
2BR · Enchantment
At the beginning of your upkeep, choose an opponent at random. Exile the top card of that player's library. Until end of turn, you may play that card and you may spend mana as though it were mana of any color to cast it. When you cast a spell this way, its owner loses life equal to its mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Ashiok, Nightmare Weaver | 1UB | Legendary Planeswalker — Ashiok | [+2]: Exile the top three cards of target opponent's library. [−X]: Put a creature card with mana value X exiled with Ashiok, Nightmare Weaver onto the battlefield under your control. That creature is a Nightmare in addition to its other types. [−10]: Exile all cards from all opponents' hands and graveyards. Loyalty 3 |
| Heraldic Banner | 3 | Artifact | As Heraldic Banner enters the battlefield, choose a color. Creatures you control of the chosen color get +1/+0. {T}: Add one mana of the chosen color. |
| Battery Bearer | 2GU | Creature — Human Artificer | Creatures you control have "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell." Whenever you cast an artifact spell with mana value 6 or greater, draw a card. 3/4 |
| 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 |
| Reidane, God of the Worthy | 2W | Legendary Creature — God | Flying, vigilance Snow lands your opponents control enter the battlefield tapped. Noncreature spells your opponents cast with mana value 4 or greater cost {2} more to cast. 2/3 |
| Elvish Harbinger | 2G | Creature — Elf Druid | When Elvish Harbinger enters the battlefield, you may search your library for an Elf card, reveal it, then shuffle and put that card on top. {T}: Add one mana of any color. 1/2 |
| Juggle the Performance | 1BR | Sorcery | Each player discards their hand, then conjures a duplicate of each of seven random cards from the library of the player to their right into their hand. The duplicates perpetually gain "Mana of any type can be spent to cast this spell." |
| Genesis Hydra | XGG | Creature — Plant Hydra | When you cast this spell, reveal the top X cards of your library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield. Then shuffle the rest into your library. Genesis Hydra enters the battlefield with X +1/+1 counters on it. 0/0 |
| Ice Cave | 3UU | Enchantment | Whenever a player casts a spell, any other player may pay that spell's mana cost. If a player does, counter the spell. (Mana cost includes color.) |
| Raggadragga, Goreguts Boss | 2RG | Legendary Creature — Human Boar | Each creature you control with a mana ability gets +2/+2. Whenever a creature you control with a mana ability attacks, untap it. Whenever you cast a spell, if at least seven mana was spent to cast it, untap target creature. It gets +7/+7 and gains trample until end of turn. 4/4 |