We posted them on our Commander Spoilers page but in case you missed them, here are the three new spoiled commanders! Thanks to MTGSalvation user raccoon82 for spoiling these cards! Source.
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Rare
Legendary Creature – Elf Rogue
Whenever a creature deals combat damage to one of your opponents, its controller may draw a card.
2/2
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Rare
Legendary Creature – Vampire
Flying, lifelink
Sacrifice a creature: Put X +1/+1 counters on Vish Kal, Blood Arbiter where X is the sacrificed creature’s power.
Remove all +1/+1 counters from Vish Kal: Target creature gets -1/-1 until end of turn for each +1/+1 counter removed this way.
5/5
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Rare
Legendary Creature – Zombie Elemental
Haste
Whenever Skullbriar the Walking Grave deals combat damage to a player, put a +1/+1 counter on it.
Counters remain on Skullbriar as it moves to any zone other than a player’s hand or library.
1/1
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