Oath of Loyalty
from $22.00
This may only be played if it's the first action of your turn.
When this is played, until end of turn, you may only play cards that are Draconic.
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Oath of Loyalty (Extended Art)
$97.00
This may only be played if it's the first action of your turn.
When this is played, until end of turn, you may only play cards that are Draconic.
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Oath of the Arknight (Blue)
$1.00
Your next Runeblade attack this turn gets +1{p}.
Create a Runechant token.
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Oath of the Arknight (Red)
$1.00
Your next Runeblade attack this turn gets +3{p}.
Create a Runechant token.
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Oath of the Arknight (Yellow)
$1.00
Your next Runeblade attack this turn gets +2{p}.
Create a Runechant token.
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Oblivion
from $7.00
Legendary Vynnset Specialization (You may only have 1 Oblivion in your deck and only if your hero is Vynnset.)
Play this only if you control exactly 6 Runechants.
Create a Nasreth, the Soul Harrower token.
Oldhim (Promo)
$9.00
Essence of Earth and Ice (You may have Earth and Ice cards in your deck.)
Once per Turn Defense Reaction - [3 Resource]: If an Earth card is pitched this way, prevent the next 2 damage that would be dealt to Oldhim this turn. If an Ice card is pitched this way, the attacking hero puts a card from their hand on top of their deck.
Oldhim, Grandfather of Eternity (Promo)
from $3.00
Essence of Earth and Ice (You may have Earth and Ice cards in your deck.)
Once per Turn Defense Reaction - [3 Resource]: If an Earth card is pitched this way, prevent the next 2 damage that would be dealt to Oldhim this turn. If an Ice card is pitched this way, the attacking hero puts a card from their hand on top of their deck.
Olympia, Prize Fighter (Marvel)
from $213.00
The first time each of your attacks wins a wager, create a Gold token.