M:tG card similarity search
RR · Enchantment
At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Hobbit's Sting | 1W | Instant | Hobbit's Sting deals X damage to target creature, where X is the number of creatures you control plus the number of Foods you control. | 
| Eternal Flame | 2RR | Sorcery | Eternal Flame deals X damage to target opponent or planeswalker and half X damage, rounded up, to you, where X is the number of Mountains you control. | 
| A-Pyre-Sledge Arsonist | 2R | Creature — Viashino Shaman | {1}, {T}: Pyre-Sledge Arsonist deals X damage to any target, where X is the number of permanents you've sacrificed this turn. 2/3 | 
| Tendrils of Corruption | 3B | Instant | Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control. | 
| Crackle with Power | XXXRR | Sorcery | Crackle with Power deals five times X damage to each of up to X targets. | 
| Profane Prayers | 2BB | Sorcery | Profane Prayers deals X damage to any target and you gain X life, where X is the number of Clerics on the battlefield. | 
| 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. | 
| Delete | XRR | Sorcery | Delete deals X damage to each nonartifact creature and each player. | 
| Dreadwaters | 3U | Sorcery | Target player mills X cards, where X is the number of lands you control. | 
| Primal Order | 2GG | Enchantment | At the beginning of each player's upkeep, Primal Order deals damage to that player equal to the number of nonbasic lands they control. |