Lost Leonin

Creature — Phyrexian Cat Soldier

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

CMC
2
Mana cost
{1}{W}
Color identity
W
Rarity
common
Set
New Phyrexia
Price
$0.30
EDHREC rank
#12117
Buy on TCGplayer
Lost Leonin card art
Lost Leonin puts infect on a two-mana body, and one pump effect turns a 10-life clock into a one-hit kill. Arahbo, Roar of the World's free +3/+3 trigger means Lost Leonin swings for lethal poison on turn three without spending a single extra card.

Best Commanders

Commanders with the highest synergy

01
Arahbo, Roar of the World

Arahbo, Roar of the World

22.3% of decks · synergy 0.21

Arahbo, Roar of the World's eminence ability pumps Lost Leonin before combat for free, putting any opponent to seven poison counters from a single unblocked swing — the combo requires no setup beyond the two cards themselves.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander
legacy
modern
pioneer
standard
vintage
pauper
oathbreaker

Commander is where Lost Leonin actually matters — infect's 10-counter threshold is designed for 20-life formats, and the one-on-one damage math in Commander makes a single evasive swing with a pump spell immediately threatening. In Pauper it's a legal common, but infect aggro there runs faster, more evasive threats and Lost Leonin's lack of evasion hurts it. Legacy and Vintage have access to the full infect suite, and a vanilla 2/1 infect for two competes poorly against Glistener Elf and Blighted Agent — it sees no meaningful play in either format.

Key Combos

Combo lines featuring this card

Price Context

Current price

$0.30 bulk tier

At $0.30, Lost Leonin is firmly bulk — easy to acquire as a four-of without thinking about budget. Bulk infect commons don't appreciate unless a new commander or mechanic spikes demand, so treat it as a cheap role-player and nothing more.

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