M:tG card similarity search
3URR · Legendary Creature — Human Warlock
When this creature specializes, you may sacrifice another creature or an artifact. When you do, return target instant or sorcery card from your graveyard to your hand. 5/5
| Name | Mana | Type | Text | 
|---|---|---|---|
| Aether Membrane | 1RR | Creature — Wall | Defender; reach (This creature can block creatures with flying.) Whenever Aether Membrane blocks a creature, return that creature to its owner's hand at end of combat. 0/5 | 
| Reclamation Sage | 2G | Creature — Elf Shaman | When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment. 2/1 | 
| Riptide Chronologist | 3UU | Creature — Human Wizard | {U}, Sacrifice Riptide Chronologist: Untap all creatures of the creature type of your choice. 1/3 | 
| Nantuko Blightcutter | 2G | Creature — Insect Druid | Protection from black Threshold — Nantuko Blightcutter gets +1/+1 for each black permanent your opponents control as long as seven or more cards are in your graveyard. 2/2 | 
| Majestic Heliopterus | 3W | Creature — Dinosaur | Flying Whenever Majestic Heliopterus attacks, another target Dinosaur you control gains flying until end of turn. 2/2 | 
| Act of Authority | 1WW | Enchantment | When Act of Authority enters the battlefield, you may exile target artifact or enchantment. At the beginning of your upkeep, you may exile target artifact or enchantment. If you do, its controller gains control of Act of Authority. | 
| Myrsmith | 1W | Creature — Human Artificer | Whenever you cast an artifact spell, you may pay {1}. If you do, create a 1/1 colorless Myr artifact creature token. 2/1 | 
| Matzalantli, the Great Door | 3 | Legendary Artifact | {T}: Draw a card, then discard a card. {4}, {T}: Transform Matzalantli, the Great Door. Activate only if there are four or more permanent types among cards in your graveyard. (Artifact, battle, creature, enchantment, land, and planeswalker are permanent types.) | 
| Weapon Rack | 4 | Artifact | Weapon Rack enters the battlefield with three +1/+1 counters on it. {T}: Move a +1/+1 counter from Weapon Rack onto target creature. Activate only as a sorcery. | 
| Slab Hammer | 2 | Artifact — Equipment | Whenever equipped creature attacks, you may return a land you control to its owner's hand. If you do, the creature gets +2/+2 until end of turn. Equip {2} |