Dreamcaller Siren
Creature — Siren Pirate
Flash
Flying
This creature can block only creatures with flying.
When this creature enters, if you control another Pirate, tap up to two target nonland permanents.
- CMC
- 4
- Mana cost
- Color identity
- U
- Rarity
- rare
- Set
- Ixalan
- Price
- $0.21
- EDHREC rank
- #19052
Dreamcaller Siren taps down your opponent's entire board at flash speed — that's a combat-warping threat that doubles as a fog on the turn it matters most. The cost is real: it only works when you control another Pirate, which makes it a conditional card in an already narrow tribe, but inside Admiral Beckett Brass the condition is almost always live.
Best Commanders
Commanders with the highest synergy

Admiral Beckett Brass
Admiral Beckett Brass runs enough Pirates that Dreamcaller Siren's restriction is trivially satisfied, and tapping down blockers on the swing that triggers Admiral's steal effect turns a soft requirement into a brutal tempo play.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Dreamcaller Siren is legal in Commander, Legacy, Modern, Pioneer, Vintage, and Oathbreaker. In Commander it sees the most meaningful play, locked into Pirate tribal builds where the second-creature condition is reliably met and flash timing maximizes disruption. In competitive constructed formats the card barely registers — flash tapping at three mana is too slow and too conditional against linear strategies that don't care about blockers. Oathbreaker could theoretically support a Pirate shell, but the format's smaller deck size doesn't meaningfully change the card's ceiling.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.21 bulk tier
At $0.21, Dreamcaller Siren sits firmly in bulk territory — the kind of card you pick up as an afterthought and never need to think about budget-wise. Its narrow tribal restriction keeps demand low enough that the price is unlikely to move unless a future set pushes Pirates back into competitive relevance.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.