M:tG card similarity search
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."
| Name | Mana | Type | Text |
|---|---|---|---|
| Skittish Valesk | 6R | Creature — Beast | At the beginning of your upkeep, flip a coin. If you lose the flip, turn Skittish Valesk face down. Morph {5}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 5/5 |
| Junkyo Bell | 4 | Artifact | At the beginning of your upkeep, you may have target creature you control get +X/+X until end of turn, where X is the number of creatures you control. If you do, sacrifice that creature at the beginning of the next end step. |
| Killer Instinct | 4RG | Enchantment | At the beginning of your upkeep, reveal the top card of your library. If it's a creature card, put it onto the battlefield. That creature gains haste until end of turn. Sacrifice it at the beginning of the next end step. |
| Frondland Felidar | 2GW | Creature — Cat Beast | Vigilance Creatures you control with vigilance have "{1}, {T}: Tap target creature." 3/5 |
| Enthralling Hold | 3UU | Enchantment — Aura | Enchant creature You can't choose an untapped creature as this spell's target as you cast it. You control enchanted creature. |
| Heart of Bogardan | 2RR | Enchantment | Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When a player doesn't pay Heart of Bogardan's cumulative upkeep, Heart of Bogardan deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls, where X is twice the number of age counters on Heart of Bogardan minus 2. |
| Archdemon of Unx | 5BB | Creature — Demon | Flying, trample At the beginning of your upkeep, sacrifice a non-Zombie creature, then create a 2/2 black Zombie creature token. 6/6 |
| A Good Thing | 4WB | Enchantment | Spells and abilities you control can't destroy, exile, target, or cause you to sacrifice A Good Thing. At the beginning of your upkeep, double your life total. Then, if you have 1,000 or more life, you lose the game. |
| The Fourth Sphere | Plane — Phyrexia | At the beginning of your upkeep, sacrifice a nonblack creature. Whenever chaos ensues, create a 2/2 black Zombie creature token. | |
| Howlpack Alpha | Creature — Werewolf | Each other creature you control that's a Werewolf or a Wolf gets +1/+1. At the beginning of your end step, create a 2/2 green Wolf creature token. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Howlpack Alpha. 3/3 |