Dredge

By Strong Sad (Todd Anderson, mtgo)

Lands (17)

1  Bayou

4  Marsh Flats

8  Swamp

4  Verdant Catacombs

Creatures (15)

1  Elesh Norn, Grand Cenobite

4  Griselbrand

1  Iona, Shield of Emeria

3  Necrotic Ooze

1  Phyrexian Devourer

4  Putrid Imp

1  Triskelion

Artifacts (4)

4  Lotus Petal

Instants (8)

4  Dark Ritual

4  Entomb

Sorceries (16)

3  Buried Alive

1  Crippling Fatigue

4  Exhume

4  Reanimate

4  Thoughtseize

Sideboard

4  Abrupt Decay

1  Angel of Despair

1  Crippling Fatigue

3  Duress

2  Engineered Plague

3  Pithing Needle

1  Terastodon

Grixis Delver (Wizards)

by MakingSmartPlays (mtgo)

Lands (18)

4  Flooded Strand

1  Misty Rainforest

3  Scalding Tarn

3  Underground Sea

3  Volcanic Island

4  Wasteland

18 lands

Creatures (13)

4  Dark Confidant

4  Delver of Secrets

1  Grim Lavamancer

4  Young Pyromancer

13 creatures

Instants (21)

4  Brainstorm

4  Daze

2  Dismember

3  Force of Will

4  Lightning Bolt

4  Stifle

Sorceries (8)

4  Ponder

4  Gitaxian Probe

Sideboard

4  Cabal Therapy

1  Force of Will

1  Grim Lavamancer

2  Pyroblast

2  Red Elemental Blast

4  Relic of Progenitus

1  Umezawa's Jitte