M:tG card similarity search
UB · Legendary Creature — Human Spy
As long as X is in X's owner's opponent's hand, X's owner may cast X and activate X's abilities. That opponent can't cast X and plays with their hand revealed. {U}{B}, {T}: Put X into target opponent's hand. {3}{U}{B}: You may play a land or cast a spell from the hand X is in. If you cast a spell this way, you cast it without paying its mana cost. 2/2
| Name | Mana | Type | Text |
|---|---|---|---|
| Skyshroud Cutter | 3G | Creature — Beast | If you control a Forest, rather than pay this spell's mana cost, you may have each other player gain 5 life. 2/2 |
| Devastating Summons | R | Sorcery | As an additional cost to cast this spell, sacrifice X lands. Create two X/X red Elemental creature tokens. |
| Crystal Rod | 1 | Artifact | Whenever a player casts a blue spell, you may pay {1}. If you do, you gain 1 life. |
| Memory Theft | 2B | Sorcery | Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. You may put a card that has an Adventure that player owns from exile into that player's graveyard. |
| Batwing Brume | 1W/B | Instant | Prevent all combat damage that would be dealt this turn if {W} was spent to cast this spell. Each player loses 1 life for each attacking creature they control if {B} was spent to cast this spell. (Do both if {W}{B} was spent.) |
| Kess, Dissident Mage | 1UBR | Legendary Creature — Human Wizard | Flying Once during each of your turns, you may cast an instant or sorcery spell from your graveyard. If a spell cast this way would be put into your graveyard, exile it instead. 3/4 |
| Border Guardian | 4 | Artifact Creature — Knight | Whenever you cast a silver-bordered spell, put a +1/+1 counter on Border Guardian. Whenever you cast a black-bordered spell, Border Guardian can't be blocked this turn. Whenever you cast a white-bordered spell, Border Guardian gains double strike until end of turn. 1/1 |
| Mold Adder | G | Creature — Fungus Snake | Whenever an opponent casts a blue or black spell, you may put a +1/+1 counter on Mold Adder. 1/1 |
| Thrasta, Tempest's Roar | 10GG | Legendary Creature — Dinosaur | This spell costs {3} less to cast for each other spell cast this turn. Trample, haste Trample over planeswalkers (This creature can deal excess combat damage to the controller of the planeswalker it's attacking.) Thrasta, Tempest's Roar has hexproof as long as it entered the battlefield this turn. 7/7 |
| Racketeer Boss | RG | Creature — Cat Warrior | When Racketeer Boss enters the battlefield, choose up to two creature and/or planeswalker cards in your hand. They perpetually gain "When you cast this spell, create a Treasure token and this spell perpetually loses this ability." 3/2 |