M:tG card similarity search
| Name | Mana | Type | Text | 
|---|---|---|---|
| Soul Net | 1 | Artifact | Whenever a creature dies, you may pay {1}. If you do, you gain 1 life. | 
| Phyrexian Scuta | 3B | Creature — Phyrexian Zombie | Kicker—Pay 3 life. (You may pay 3 life in addition to any other costs as you cast this spell.) If Phyrexian Scuta was kicked, it enters the battlefield with two +1/+1 counters on it. 3/3 | 
| Grimclaw Bats | 1B | Creature — Bat | Flying {B}, Pay 1 life: Grimclaw Bats gets +1/+1 until end of turn. 1/1 | 
| Crystal Rod | 1 | Artifact | Whenever a player casts a blue spell, you may pay {1}. If you do, you gain 1 life. | 
| Wall of Blood | 2B | Creature — Wall | Defender (This creature can't attack.) Pay 1 life: Wall of Blood gets +1/+1 until end of turn. 0/2 | 
| Rouse | 1B | Instant | If you control a Swamp, you may pay 2 life rather than pay this spell's mana cost. Target creature gets +2/+0 until end of turn. | 
| Reckless Assault | 2BR | Enchantment | {1}, Pay 2 life: Reckless Assault deals 1 damage to any target. | 
| The Slayer | Hero | You start the game with an additional 7 life. | |
| Oloro, Ageless Ascetic | 3WUB | Legendary Creature — Giant Soldier | At the beginning of your upkeep, you gain 2 life. Whenever you gain life, you may pay {1}. If you do, draw a card and each opponent loses 1 life. At the beginning of your upkeep, if Oloro, Ageless Ascetic is in the command zone, you gain 2 life. 4/5 | 
| Erebos, God of the Dead | 3B | Legendary Enchantment Creature — God | Indestructible As long as your devotion to black is less than five, Erebos isn't a creature. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) Your opponents can't gain life. {1}{B}, Pay 2 life: Draw a card. 5/7 |