M:tG card similarity search
2W · Enchantment
When Armed with Proof enters the battlefield, investigate twice. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Clues you control are Equipment in addition to their other types and have "Equipped creature gets +2/+0" and equip {2}.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Bone Pit Brute | 4RR | Creature — Cyclops | Menace (This creature can't be blocked except by two or more creatures.) When Bone Pit Brute enters the battlefield, target creature gets +4/+0 until end of turn. 4/5 | 
| Undercover Operative | 2UU | Creature — Shapeshifter Rogue | You may have Undercover Operative enter the battlefield as a copy of any creature on the battlefield, except it enters with a shield counter on it if you control that creature. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) 0/0 | 
| Lazotep Convert | Creature — Zombie | You may have Lazotep Convert enter the battlefield as a copy of any creature card in a graveyard, except it's a 4/4 black Zombie in addition to its other colors and types. 4/4 | |
| Brago's Representative | 2W | Creature — Human Advisor | While voting, you get an additional vote. (The votes can be for different choices or for the same choice.) 1/4 | 
| Affa Guard Hound | 2W | Creature — Dog | Flash (You may cast this spell any time you could cast an instant.) When Affa Guard Hound enters the battlefield, target creature gets +0/+3 until end of turn. 2/2 | 
| Briarpack Alpha | 3G | Creature — Wolf | Flash (You may cast this spell any time you could cast an instant.) When Briarpack Alpha enters the battlefield, target creature gets +2/+2 until end of turn. 3/3 | 
| Faces of the Past | 2U | Enchantment | Whenever a creature dies, tap all untapped creatures that share a creature type with it or untap all tapped creatures that share a creature type with it. | 
| Haunted One | 2B | Legendary Enchantment — Background | Commander creatures you own have "Whenever this creature becomes tapped, it and other creatures you control that share a creature type with it each get +2/+0 and gain undying until end of turn." (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.) | 
| Rubblebelt Boar | 3R | Creature — Boar | When Rubblebelt Boar enters the battlefield, target creature gets +2/+0 until end of turn. 3/3 | 
| Visitor from Planet Q | 1U | Instant Creature — Alien | All creature cards you own with flash are instants in addition to their other types. Whenever you cast another spell with two or more card types, you may draw a card, then discard a card. 0/4 |