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 |
|---|---|---|---|
| Fires of Invention | 3R | Enchantment | You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs. |
| Hormagaunt Horde | XG | Creature — Tyranid | Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Endless Swarm — Whenever a land enters the battlefield under your control, you may pay {2}{G}. If you do, return Hormagaunt Horde from your graveyard to your hand. 1/1 |
| Ghosthelm Courier | 2U | Creature — Human Wizard | You may choose not to untap Ghosthelm Courier during your untap step. {2}{U}, {T}: Target Wizard creature gets +2/+2 and has shroud for as long as Ghosthelm Courier remains tapped. (It can't be the target of spells or abilities.) 2/1 |
| Energy Tap | U | Sorcery | Tap target untapped creature you control. If you do, add an amount of {C} equal to that creature's mana value. |
| Archelos, Lagoon Mystic | 1BGU | Legendary Creature — Turtle Shaman | As long as Archelos, Lagoon Mystic is tapped, other permanents enter the battlefield tapped. As long as Archelos is untapped, other permanents enter the battlefield untapped. 2/4 |
| Wall of Fortune | 1U | Artifact Creature — Wall | Defender You may tap an untapped Wall you control to have any player reroll a die that player rolled. 0/4 |
| Hyperion Blacksmith | 1RR | Creature — Human Artificer | {T}: You may tap or untap target artifact an opponent controls. 2/2 |
| Pollen Lullaby | 1W | Instant | Prevent all combat damage that would be dealt this turn. Clash with an opponent. If you win, creatures that player controls don't untap during the player's next untap step. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.) |
| The Lady of Otaria | 3RG | Legendary Creature — Avatar | You may tap three untapped Dwarves you control rather than pay this spell's mana cost. At the beginning of each end step, if a land you controlled was put into your graveyard from the battlefield this turn, reveal the top four cards of your library. Put any number of Dwarf cards from among them into your hand. Put the rest on the bottom of your library in a random order. 5/5 |
| Unmask | 3B | Sorcery | You may exile a black card from your hand rather than pay this spell's mana cost. Target player reveals their hand. You choose a nonland card from it. That player discards that card. |