M:tG card similarity search
4UU · Creature — Serpent
Deep-Sea Terror can't attack unless there are seven or more cards in your graveyard. 6/6
| Name | Mana | Type | Text | 
|---|---|---|---|
| War Falcon | W | Creature — Bird | Flying War Falcon can't attack unless you control a Knight or a Soldier. 2/1 | 
| Ethereal Whiskergill | 3U | Creature — Elemental | Flying Ethereal Whiskergill can't attack unless defending player controls an Island. 4/3 | 
| War Tax | 2U | Enchantment | {X}{U}: This turn, creatures can't attack unless their controller pays {X} for each attacking creature they control. | 
| Vigean Hydropon | 1GU | Creature — Plant Mutant | Graft 5 (This creature enters the battlefield with five +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.) Vigean Hydropon can't attack or block. 0/0 | 
| Glacial Crasher | 4UU | Creature — Elemental | Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Glacial Crasher can't attack unless there is a Mountain on the battlefield. 5/5 | 
| Whimwader | 4U | Creature — Elemental | Whimwader can't attack unless defending player controls a blue permanent. 6/4 | 
| Silburlind Snapper | 5U | Creature — Turtle | Silburlind Snapper can't attack unless you've cast a noncreature spell this turn. 6/6 | 
| Orcish Conscripts | R | Creature — Orc | Orcish Conscripts can't attack unless at least two other creatures attack. Orcish Conscripts can't block unless at least two other creatures block. 2/2 | 
| Red Cliffs Armada | 4U | Creature — Human Soldier | Red Cliffs Armada can't attack unless defending player controls an Island. 5/4 | 
| Wu Warship | 2U | Creature — Human Soldier | Wu Warship can't attack unless defending player controls an Island. 3/3 |