Seer's Sundial
Artifact
Landfall — Whenever a land you control enters, you may pay 
. If you do, draw a card.
- CMC
- 4
- Mana cost
- Color identity
- C
- Rarity
- rare
- Set
- Modern Horizons 3 Commander
- Price
- $0.33
- EDHREC rank
- #4082
Seer's Sundial draws you a card every time a land enters under your control — straightforward, repeatable, and format-legal at four mana to cast plus two to activate. In decks that drop multiple lands per turn, like anything built around Azusa, Lost but Seeking, that trigger fires two or three times a turn and the card advantage compounds fast.
Best Commanders
Commanders with the highest synergy
Azusa, Lost but Seeking
Azusa, Lost but Seeking lets you play three lands per turn, which means Seer's Sundial can fire twice beyond your normal draw step on any given turn — that's a card-advantage engine, not just a supplement.
Obuun, Mul Daya Ancestor
Obuun, Mul Daya Ancestor cares deeply about landfall triggers and rewards you for playing lands from the top of your library, so Seer's Sundial slots in as the draw engine that keeps the land chain moving.
Yedora, Grave Gardener
Yedora, Grave Gardener turns dead creatures into face-down Forests, which means every creature that dies can trigger Seer's Sundial — the Sundial converts a graveyard recursion loop into a card-draw engine almost incidentally.
Phylath, World Sculptor
Phylath, World Sculptor triggers on basic lands entering, and Seer's Sundial fires on every land entering, so both payoffs stack on the same event and the deck draws cards at the same rate it generates Plant tokens.
Karametra, God of Harvests
Karametra, God of Harvests tutors basic lands into play whenever you cast creatures, and each of those land fetches becomes a Seer's Sundial trigger — high creature counts translate directly into high card counts.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Seer's Sundial is a Commander card, full stop. The four-mana artifact plus two-mana activation is too slow and too conditional for Legacy, Modern, or Vintage, where games end before landfall synergies pay off and faster draw engines dominate every slot. In Commander, the calculus flips: games go long, landfall decks are a defined archetype, and Seer's Sundial offers colorless card draw that any green ramp deck can slot without touching its color requirements. Oathbreaker is the one other format where it's legal and plausibly useful, specifically in landfall-style Oathbreaker shells, though the 20-life clock makes it a stretch.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.33 bulk tier
At $0.33, Seer's Sundial is bulk — you're paying almost nothing for a repeatable card-draw effect that would cost several dollars in a more efficient package. Bulk artifacts with consistent demand tend to stay cheap rather than spike, so there's no urgency to stock up, but there's also no reason to hesitate adding a copy to any landfall list.
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Sources
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.