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 |
|---|---|---|---|
| Flooded Woodlands | 2UB | Enchantment | Green creatures can't attack unless their controller sacrifices a land for each green creature they control that's attacking. (This cost is paid as attackers are declared.) |
| Lovestruck Beast | 2G | Creature — Beast Noble | Lovestruck Beast can't attack unless you control a 1/1 creature. 5/5 |
| School of Piranha | 1U | Creature — Fish | At the beginning of your upkeep, sacrifice School of Piranha unless you pay {1}{U}. 3/3 |
| Whipstitched Zombie | 1B | Creature — Zombie | At the beginning of your upkeep, sacrifice Whipstitched Zombie unless you pay {B}. 2/2 |
| Conversion | 2WW | Enchantment | At the beginning of your upkeep, sacrifice Conversion unless you pay {W}{W}. All Mountains are Plains. |
| Glaciers | 2WU | Enchantment | At the beginning of your upkeep, sacrifice Glaciers unless you pay {W}{U}. All Mountains are Plains. |
| Halls of Mist | Land | Cumulative upkeep {1} (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.) Creatures that attacked during their controller's last turn can't attack. | |
| Hungry Mist | 2GG | Creature — Elemental | At the beginning of your upkeep, sacrifice Hungry Mist unless you pay {G}{G}. 6/2 |
| Season of the Witch | BBB | Enchantment | At the beginning of your upkeep, sacrifice Season of the Witch unless you pay 2 life. At the beginning of the end step, destroy all untapped creatures that didn't attack this turn, except for creatures that couldn't attack. |
| Wild Leotau | 2GG | Creature — Cat | At the beginning of your upkeep, sacrifice Wild Leotau unless you pay {G}. 5/4 |