M:tG card similarity search
UUUU · Enchantment
Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays {X}, where X is its mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Lifeforce | GG | Enchantment | {G}{G}: Counter target black spell. |
| The Ruinous Powers | 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. |
| Beastcaller Savant | 1G | Creature — Elf Shaman Ally | Haste {T}: Add one mana of any color. Spend this mana only to cast a creature spell. 1/1 |
| Lightning Cloud | 3R | Enchantment | Whenever a player casts a red spell, you may pay {R}. If you do, Lightning Cloud deals 1 damage to any target. |
| Feeding Grounds | Plane — Muraganda | Red spells cost {1} less to cast. Green spells cost {1} less to cast. Whenever chaos ensues, put X +1/+1 counters on target creature, where X is that creature's mana value. | |
| Nashi, Moon Sage's Scion | 1BB | Legendary Creature — Rat Ninja | Ninjutsu {3}{B} ({3}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Nashi, Moon Sage's Scion deals combat damage to a player, exile the top card of each player's library. Until end of turn, you may play one of those cards. If you cast a spell this way, pay life equal to its mana value rather than paying its mana cost. 3/2 |
| Humble Naturalist | 1G | Creature — Human Druid | {T}: Add one mana of any color. Spend this mana only to cast a creature spell. 1/3 |
| In Search of Greatness | GG | Enchantment | At the beginning of your upkeep, you may cast a permanent spell from your hand with mana value equal to 1 plus the highest mana value among other permanents you control without paying its mana cost. If you don't, scry 1. |
| Witchstalker | 1GG | Creature — Wolf | Hexproof (This creature can't be the target of spells or abilities your opponents control.) Whenever an opponent casts a blue or black spell during your turn, put a +1/+1 counter on Witchstalker. 3/3 |
| Defiler of Vigor | 3GG | Creature — Phyrexian Wurm | Trample As an additional cost to cast green permanent spells, you may pay 2 life. Those spells cost {G} less to cast if you paid life this way. This effect reduces only the amount of green mana you pay. Whenever you cast a green permanent spell, put a +1/+1 counter on each creature you control. 6/6 |