M:tG card similarity search
3B · Legendary Creature — Human Knight
At the beginning of each player's end step, if no permanents left the battlefield this turn, that player loses X life, where X is Sarevok's power. Choose a Background (You can have a Background as a second commander.) 3/4
| Name | Mana | Type | Text | 
|---|---|---|---|
| Disciple of Bolas | 3B | Creature — Human Wizard | When Disciple of Bolas enters the battlefield, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power. 2/1 | 
| Krav, the Unredeemed | 4B | Legendary Creature — Demon | Partner with Regna, the Redeemer (When this creature enters the battlefield, target player may put Regna into their hand from their library, then shuffle.) {B}, Sacrifice X creatures: Target player draws X cards and gains X life. Put X +1/+1 counters on Krav, the Unredeemed. 3/3 | 
| Zedruu the Greathearted | 1URW | Legendary Creature — Minotaur Monk | At the beginning of your upkeep, you gain X life and draw X cards, where X is the number of permanents you own that your opponents control. {U}{R}{W}: Target opponent gains control of target permanent you control. 2/4 | 
| Incite Insight | XUU | Sorcery | Assemble X Contraptions. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.) | 
| Bellowing Mauler | 4B | Creature — Ogre Warrior | At the beginning of your end step, each player loses 4 life unless they sacrifice a nontoken creature. 4/6 | 
| Dark Suspicions | 2BB | Enchantment | At the beginning of each opponent's upkeep, that player loses X life, where X is the number of cards in that player's hand minus the number of cards in your hand. | 
| Reverse Polarity | WW | Instant | You gain X life, where X is twice the damage dealt to you so far this turn by artifacts. | 
| Painful Truths | 2B | Sorcery | Converge — You draw X cards and you lose X life, where X is the number of colors of mana spent to cast this spell. | 
| Unholy Fiend | Creature — Horror | At the beginning of your end step, you lose 1 life. 3/3 | |
| Celestine, the Living Saint | 4W | Legendary Creature — Human Warrior | Flying, lifelink Healing Tears — At the beginning of your end step, return target creature card with mana value X or less from your graveyard to the battlefield, where X is the amount of life you gained this turn. 3/4 |