M:tG card similarity search
1BB · Enchantment
Cumulative upkeep—Pay 1 life. (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.) At the beginning of each player's upkeep, that player sacrifices a green or white permanent.
| Name | Mana | Type | Text |
|---|---|---|---|
| Gatstaf Howler | Creature — Werewolf | Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) At the beginning of each upkeep, if a player cast two or more spells last turn, transform Gatstaf Howler. 3/3 | |
| Oath of Mages | 1R | Enchantment | At the beginning of each player's upkeep, that player chooses target player who has more life than they do and is their opponent. The first player may have Oath of Mages deal 1 damage to the second player. |
| Cloistered Youth | 1W | Creature — Human | At the beginning of your upkeep, you may transform Cloistered Youth. 1/1 |
| Tidal Force | 5UUU | Creature — Elemental | At the beginning of each upkeep, you may tap or untap target permanent. 7/7 |
| Veiled Apparition | 1U | Enchantment | When an opponent casts a spell, if Veiled Apparition is an enchantment, Veiled Apparition becomes a 3/3 Illusion creature with flying and "At the beginning of your upkeep, sacrifice Veiled Apparition unless you pay {1}{U}." |
| Kataki, War's Wage | 1W | Legendary Creature — Spirit | All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {1}." 2/1 |
| Asylum Visitor | 1B | Creature — Vampire Wizard | At the beginning of each player's upkeep, if that player has no cards in hand, you draw a card and you lose 1 life. Madness {1}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) 3/1 |
| Urborg Stalker | 3B | Creature — Horror | At the beginning of each player's upkeep, if that player controls a nonblack, nonland permanent, Urborg Stalker deals 1 damage to that player. 2/4 |
| Baleful Force | 5BBB | Creature — Elemental | At the beginning of each upkeep, you draw a card and you lose 1 life. 7/7 |
| Call to the Grave | 4B | Enchantment | At the beginning of each player's upkeep, that player sacrifices a non-Zombie creature. At the beginning of the end step, if no creatures are on the battlefield, sacrifice Call to the Grave. |