M:tG card similarity search
· Creature — Werewolf
{3}{G}: Krallenhorde Killer gets +4/+4 until end of turn. Activate only once each turn. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Krallenhorde Killer. 2/2
| Name | Mana | Type | Text | 
|---|---|---|---|
| Lord of the Pit | 4BBB | Creature — Demon | Flying, trample At the beginning of your upkeep, sacrifice a creature other than Lord of the Pit. If you can't, Lord of the Pit deals 7 damage to you. 7/7 | 
| Curse of Thirst | 4B | Enchantment — Aura Curse | Enchant player At the beginning of enchanted player's upkeep, Curse of Thirst deals damage to that player equal to the number of Curses attached to them. | 
| Cao Cao, Lord of Wei | 3BB | Legendary Creature — Human Soldier | {T}: Target opponent discards two cards. Activate only during your turn, before attackers are declared. 3/3 | 
| Masticore | 4 | Artifact Creature — Masticore | At the beginning of your upkeep, sacrifice Masticore unless you discard a card. {2}: Masticore deals 1 damage to target creature. {2}: Regenerate Masticore. 4/4 | 
| Rust Elemental | 4 | Artifact Creature — Elemental | Flying At the beginning of your upkeep, sacrifice an artifact other than Rust Elemental. If you can't, tap Rust Elemental and you lose 4 life. 4/4 | 
| Kangee, Sky Warden | 3WU | Legendary Creature — Bird Wizard | Flying, vigilance Whenever Kangee, Sky Warden attacks, attacking creatures with flying get +2/+0 until end of turn. Whenever Kangee blocks, blocking creatures with flying get +0/+2 until end of turn. 3/3 | 
| Ancient Runes | 2R | Enchantment | At the beginning of each player's upkeep, Ancient Runes deals damage to that player equal to the number of artifacts they control. | 
| Mistform Stalker | 1U | Creature — Illusion | {1}: Mistform Stalker becomes the creature type of your choice until end of turn. {2}{U}{U}: Mistform Stalker gets +2/+2 and gains flying until end of turn. 1/1 | 
| Gate to Phyrexia | BB | Enchantment | Sacrifice a creature: Destroy target artifact. Activate only during your upkeep and only once each turn. | 
| Tavern Brawler | 2R | Legendary Enchantment — Background | Commander creatures you own have "At the beginning of your upkeep, exile the top card of your library. This creature gets +X/+0 until end of turn, where X is that card's mana value. You may play that card this turn." |