M:tG card similarity search
2B · Creature — Bat
Flying At the beginning of your upkeep, you may pay {2}{B}{B}. If you do, transform Screeching Bat. 2/2
| Name | Mana | Type | Text |
|---|---|---|---|
| Impending Disaster | 1R | Enchantment | At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice Impending Disaster and destroy all lands. |
| Custody Battle | 1R | Enchantment — Aura | Enchant creature Enchanted creature has "At the beginning of your upkeep, target opponent gains control of this creature unless you sacrifice a land." |
| Nightshade Schemers | 4B | Creature — Faerie Wizard | Flying Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Nightshade Schemers, you may reveal it. If you do, each opponent loses 2 life. 3/2 |
| 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 |
| Clearwater Goblet | 5 | Artifact | Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) At the beginning of your upkeep, you may gain life equal to the number of charge counters on Clearwater Goblet. |
| Errant Minion | 2U | Enchantment — Aura | Enchant creature At the beginning of the upkeep of enchanted creature's controller, that player may pay any amount of mana. Errant Minion deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way. |
| Winnower Patrol | 2G | Creature — Elf Warrior | Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Winnower Patrol, you may reveal it. If you do, put a +1/+1 counter on Winnower Patrol. 3/2 |
| Contamination | 2B | Enchantment | At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature. If a land is tapped for mana, it produces {B} instead of any other type and amount. |
| Ring of Valkas | 2 | Artifact — Equipment | Equipped creature has haste. (It can attack and {T} no matter when it came under your control.) At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's red. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.) |
| Cache Raiders | 3UU | Creature — Merfolk Rogue | At the beginning of your upkeep, return a permanent you control to its owner's hand. 4/4 |