M:tG card similarity search
2 · Artifact — Equipment
Equipped creature gets +1/+0 for each blood counter on Rakdos Riteknife and has "{T}, Sacrifice a creature: Put a blood counter on Rakdos Riteknife." {B}{R}, Sacrifice Rakdos Riteknife: Target player sacrifices a permanent for each blood counter on Rakdos Riteknife. Equip {2}
| Name | Mana | Type | Text | 
|---|---|---|---|
| Razia's Purification | 4RW | Sorcery | Each player chooses three permanents they control, then sacrifices the rest. | 
| Karametra's Favor | 1G | Enchantment — Aura | Enchant creature When Karametra's Favor enters the battlefield, draw a card. Enchanted creature has "{T}: Add one mana of any color." | 
| Fraying Line | 4 | Artifact | When Fraying Line enters the battlefield, put a rope counter on target creature you control. At the beginning of each player's upkeep, that player may pay {2}. If they do, they put a rope counter on a creature they control. Otherwise, exile Fraying Line and each creature without a rope counter on it, then remove all rope counters from all creatures. | 
| Smallpox | BB | Sorcery | Each player loses 1 life, discards a card, sacrifices a creature, then sacrifices a land. | 
| Flycatcher Giraffid | 4G | Creature — Antelope Lizard | Flycatcher Giraffid enters the battlefield with your choice of a vigilance counter or a reach counter on it. 3/5 | 
| Energy Flux | 2U | Enchantment | All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}." | 
| Savra, Queen of the Golgari | 2BG | Legendary Creature — Elf Shaman | Whenever you sacrifice a black creature, you may pay 2 life. If you do, each other player sacrifices a creature. Whenever you sacrifice a green creature, you may gain 2 life. 2/2 | 
| Solemn Recruit | 1WW | Creature — Dwarf Warrior | Double strike Revolt — At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on Solemn Recruit. 2/2 | 
| Accorder's Shield | 0 | Artifact — Equipment | Equipped creature gets +0/+3 and has vigilance. (Attacking doesn't cause it to tap.) Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.) | 
| Cathar's Shield | 0 | Artifact — Equipment | Equipped creature gets +0/+3 and has vigilance. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.) |