M:tG card similarity search
G · Enchantment
At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.
| Name | Mana | Type | Text |
|---|---|---|---|
| Temporal Extortion | BBBB | Sorcery | When you cast this spell, any player may pay half their life, rounded up. If a player does, counter Temporal Extortion. Take an extra turn after this one. |
| Fractal Harness | X2G | Artifact — Equipment | When Fractal Harness enters the battlefield, create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it and attach Fractal Harness to it. Whenever equipped creature attacks, double the number of +1/+1 counters on it. Equip {2} |
| Keeper of the Flame | RR | Creature — Human Wizard | {R}, {T}: Choose target opponent who had more life than you did as you activated this ability. Keeper of the Flame deals 2 damage to that player. 1/2 |
| Ruhan of the Fomori | 1URW | Legendary Creature — Giant Warrior | At the beginning of combat on your turn, choose an opponent at random. Ruhan of the Fomori attacks that player this combat if able. 7/7 |
| Emissary Green | 4G | Legendary Creature — Human Advisor | Whenever Emissary Green attacks, starting with you, each player votes for profit or security. You create a number of Treasure tokens equal to twice the number of profit votes. Put a number of +1/+1 counters on each creature you control equal to the number of security votes. 3/3 |
| Sewer Crocodile | 5U | Creature — Crocodile | {3}{U}: Sewer Crocodile can't be blocked this turn. This ability costs {3} less to activate if there are five or more mana values among cards in your graveyard. 4/6 |
| Yasova Dragonclaw | 2G | Legendary Creature — Human Warrior | Trample At the beginning of combat on your turn, you may pay {1}{U/R}{U/R}. If you do, gain control of target creature an opponent controls with power less than Yasova Dragonclaw's power until end of turn, untap that creature, and it gains haste until end of turn. 4/2 |
| Void Winnower | 9 | Creature — Eldrazi | Your opponents can't cast spells with even mana values. (Zero is even.) Your opponents can't block with creatures with even mana values. 11/9 |
| Tectonic Edge | Land | {T}: Add {C}. {1}, {T}, Sacrifice Tectonic Edge: Destroy target nonbasic land. Activate only if an opponent controls four or more lands. | |
| Shizo, Death's Storehouse | Legendary Land | {T}: Add {B}. {B}, {T}: Target legendary creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.) |