M:tG card similarity search
2BB · World Enchantment
At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control. Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
| Name | Mana | Type | Text |
|---|---|---|---|
| Heat Wave | 2R | Enchantment | Cumulative upkeep {R} (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.) Blue creatures can't block creatures you control. Nonblue creatures can't block creatures you control unless their controller pays 1 life for each blocking creature they control. |
| Bog Elemental | 3BB | Creature — Elemental | Protection from white At the beginning of your upkeep, sacrifice Bog Elemental unless you sacrifice a land. 5/4 |
| Frontline Medic | 2W | Creature — Human Cleric | Battalion — Whenever Frontline Medic and at least two other creatures attack, creatures you control gain indestructible until end of turn. Sacrifice Frontline Medic: Counter target spell with {X} in its mana cost unless its controller pays {3}. 3/3 |
| Melancholy | 2B | Enchantment — Aura | Enchant creature When Melancholy enters the battlefield, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. At the beginning of your upkeep, sacrifice Melancholy unless you pay {B}. |
| Thirst | 2U | Enchantment — Aura | Enchant creature When Thirst enters the battlefield, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. At the beginning of your upkeep, sacrifice Thirst unless you pay {U}. |
| Giant Turtle | 1GG | Creature — Turtle | Giant Turtle can't attack if it attacked during your last turn. 2/4 |
| River Serpent | 5U | Creature — Serpent | River Serpent can't attack unless there are five or more cards in your graveyard. Cycling {U} ({U}, Discard this card: Draw a card.) 5/5 |
| Training Drone | 3 | Artifact Creature — Drone | Training Drone can't attack or block unless it's equipped. 4/4 |
| Whimwader | 4U | Creature — Elemental | Whimwader can't attack unless defending player controls a blue permanent. 6/4 |
| Painwracker Oni | 3BB | Creature — Demon Spirit | Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) At the beginning of your upkeep, sacrifice a creature if you don't control an Ogre. 5/4 |