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 |
|---|---|---|---|
| Dandân | UU | Creature — Fish | Dandân can't attack unless defending player controls an Island. When you control no Islands, sacrifice Dandân. 4/1 |
| Baird, Steward of Argive | 2WW | Legendary Creature — Human Soldier | Vigilance Creatures can't attack you or planeswalkers you control unless their controller pays {1} for each of those creatures. 2/4 |
| Sea Serpent | 5U | Creature — Serpent | Sea Serpent can't attack unless defending player controls an Island. When you control no Islands, sacrifice Sea Serpent. 5/5 |
| Gorilla Pack | 2G | Creature — Ape | Gorilla Pack can't attack unless defending player controls a Forest. When you control no Forests, sacrifice Gorilla Pack. 3/3 |
| Slipstream Serpent | 7U | Creature — Serpent | Slipstream Serpent can't attack unless defending player controls an Island. When you control no Islands, sacrifice Slipstream Serpent. Morph {5}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 6/6 |
| Child of Gaea | 3GGG | Creature — Elemental | Trample At the beginning of your upkeep, sacrifice Child of Gaea unless you pay {G}{G}. {1}{G}: Regenerate Child of Gaea. 7/7 |
| Fade Away | 2U | Sorcery | For each creature, its controller sacrifices a permanent unless they pay {1}. |
| Sunken City | UU | Enchantment | At the beginning of your upkeep, sacrifice Sunken City unless you pay {U}{U}. Blue creatures get +1/+1. |
| Desperate Castaways | 1B | Creature — Human Pirate | Desperate Castaways can't attack unless you control an artifact. 2/3 |
| Drifter il-Dal | U | Creature — Human Wizard | Shadow (This creature can block or be blocked by only creatures with shadow.) At the beginning of your upkeep, sacrifice Drifter il-Dal unless you pay {U}. 2/1 |