M:tG card similarity search
2U · Creature — Siren
{U}, {T}: Target creature attacks target opponent this turn if able. Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 1/3
| Name | Mana | Type | Text |
|---|---|---|---|
| Keeper of Tresserhorn | 5B | Creature — Avatar | Whenever Keeper of Tresserhorn attacks and isn't blocked, it assigns no combat damage this turn and defending player loses 2 life. 6/6 |
| Arcum's Sleigh | 1 | Artifact | {2}, {T}: Target creature gains vigilance until end of turn. Activate only during combat and only if defending player controls a snow land. |
| Tears of Rage | 2RR | Instant | Cast this spell only during the declare attackers step. Attacking creatures you control get +X/+0 until end of turn, where X is the number of attacking creatures. Sacrifice those creatures at the beginning of the next end step. |
| Shinen of Life's Roar | 1G | Creature — Spirit | All creatures able to block Shinen of Life's Roar do so. Channel — {2}{G}{G}, Discard Shinen of Life's Roar: All creatures able to block target creature this turn do so. 1/2 |
| Edifice of Authority | 3 | Artifact | {1}, {T}: Target creature can't attack this turn. Put a brick counter on Edifice of Authority. {1}, {T}: Until your next turn, target creature can't attack or block and its activated abilities can't be activated. Activate only if there are three or more brick counters on Edifice of Authority. |
| Pursued Whale | 5UU | Creature — Whale | When Pursued Whale enters the battlefield, each opponent creates a 1/1 red Pirate creature token with "This creature can't block" and "Creatures you control attack each combat if able." Spells your opponents cast that target Pursued Whale cost {3} more to cast. 8/8 |
| Fealty to the Realm | 4U | Enchantment — Aura | Enchant creature When Fealty to the Realm enters the battlefield, you become the monarch. The monarch controls enchanted creature. Enchanted creature attacks each combat if able and can't attack you. |
| Prahv | Plane — Ravnica | If you cast a spell this turn, you can't attack with creatures. If you attacked with creatures this turn, you can't cast spells. Whenever chaos ensues, you gain life equal to the number of cards in your hand. | |
| Duskmantle Guildmage | UB | Creature — Human Wizard | {1}{U}{B}: Whenever a card is put into an opponent's graveyard from anywhere this turn, that player loses 1 life. {2}{U}{B}: Target player mills two cards. 2/2 |
| Mondassian Colony Ship | Plane — Spacecraft | Whenever a creature attacks, it gets +1/+1 until end of turn for each other creature its controller controls that shares a creature type with it. Whenever chaos ensues, turn target creature face down. It becomes a 2/2 Cyberman artifact creature. |