M:tG card similarity search
2UU · Instant — Trap
If an opponent had a green creature enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cost. Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.
| Name | Mana | Type | Text |
|---|---|---|---|
| Tidal Control | 1UU | Enchantment | Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Pay 2 life or {2}: Counter target red or green spell. Any player may activate this ability. |
| Boon of Boseiju | 1G | Instant | Target creature gets +X/+X until end of turn, where X is the greatest mana value among permanents you control. Untap it. |
| Omnath, Locus of Mana | 2G | Legendary Creature — Elemental | You don't lose unspent green mana as steps and phases end. Omnath, Locus of Mana gets +1/+1 for each unspent green mana you have. 1/1 |
| Errant Minion | 2U | Enchantment — Aura | Enchant creature At the beginning of the upkeep of enchanted creature's controller, that player may pay any amount of mana. Errant Minion deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way. |
| Siege Striker | 2W | Creature — Human Soldier | Double strike (This creature deals both first-strike and regular combat damage.) Whenever Siege Striker attacks, you may tap any number of untapped creatures you control. Siege Striker gets +1/+1 until end of turn for each creature tapped this way. 1/1 |
| Merrow Bonegnawer | B | Creature — Merfolk Rogue | {T}: Target player exiles a card from their graveyard. Whenever you cast a black spell, you may untap Merrow Bonegnawer. 1/1 |
| Hag Hedge-Mage | 2B/G | Creature — Hag Shaman | When Hag Hedge-Mage enters the battlefield, if you control two or more Swamps, you may have target player discard a card. When Hag Hedge-Mage enters the battlefield, if you control two or more Forests, you may put target card from your graveyard on top of your library. 2/2 |
| Excise | XW | Instant | Exile target attacking creature unless its controller pays {X}. |
| Rally of Wings | 1W | Instant | Untap all creatures you control. Creatures you control with flying get +2/+2 until end of turn. |
| Codie, Vociferous Codex | 3 | Legendary Artifact Creature — Construct | You can't cast permanent spells. {4}, {T}: Add {W}{U}{B}{R}{G}. When you next cast a spell this turn, exile cards from the top of your library until you exile an instant or sorcery card with lesser mana value. Until end of turn, you may cast that card without paying its mana cost. Put each other card exiled this way on the bottom of your library in a random order. 1/4 |