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Roon of the Hidden Realm

Legendary Creature — Rhino Soldier

Vigilance, trample
{2}, {T}: Exile another target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

CMC
5
Mana cost
{2}{G}{W}{U}
Color identity
GUW
Rarity
mythic
Set
Commander 2013
Price
$0.39
EDHREC rank
#13221
Buy on TCGplayer
Roon of the Hidden Realm card art
Roon of the Hidden Realm turns any enters-the-battlefield trigger into a repeatable engine — flicker Eternal Witness every turn and your graveyard becomes a second hand. The five-mana cost is real, but once Roon is active, opponents are playing catch-up.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander legal
legacy legal
modern not legal
pioneer not legal
standard not legal
vintage legal
pauper not legal
oathbreaker legal

Roon of the Hidden Realm is a Commander card through and through — the tap ability demands the kind of repeated upkeep only a multiplayer game provides, and the blink synergy payoffs that make Roon dangerous are concentrated in the format's card pool. Legacy and Vintage are legal on paper, but a five-mana 4/4 with no immediate impact has no place in either format's tempo calculus. Commander is where Roon actually lives: as the commander of a Bant ETB deck, it converts every flicker target into a value engine that compounds across a long game.

Key Combos

Combo lines featuring this card

Price Context

Current price

$0.39 bulk tier

At $0.39, Roon of the Hidden Realm is deep bulk — a five-mana legendary with a dedicated fanbase that simply never spiked. That price is stable; the demand ceiling is set by how many people want to build the archetype, and that crowd is consistent but not explosive.

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Sources

Mentioned

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.