Floodwater Dam
Artifact
, 
: Tap X target lands.
- CMC
- 3
- Mana cost
- Color identity
- C
- Rarity
- rare
- Set
- Alliances
- Price
- $0.55
- EDHREC rank
- #30128
Floodwater Dam taps down any number of lands at instant speed for a single blue mana — a repeatable soft lock that stalls combat, disrupts mana, and protects your board for almost nothing up front. The cost is that it's not permanent removal and does nothing on an empty board, but in any blue deck that wants to control tempo, it earns its slot.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | not legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
In Commander, Floodwater Dam is a quietly efficient piece of tempo disruption — one blue mana to strand multiple attackers or cut an opponent off a key combo activation at instant speed is a real effect, and the repeatability is what separates it from a one-shot fog. It fits best in blue control, stax, or spellslinger builds that activate it multiple times per cycle. In Legacy and Vintage it's legal but has never found a home; those formats move too fast for a tap-down effect that doesn't answer the permanent directly. Oathbreaker is the one other format where it's worth a look, since the lower life totals and singleton pressure make stalling a single attacker more meaningful.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.55 bulk tier
At $0.55, Floodwater Dam is firmly bulk — easy to pick up and easy to cut without regret. It's a niche card with a narrow audience, so the price is unlikely to spike, but it also means you're not tying up real budget for a role-player.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.