Edited your hand and library.
Untap, upkeep, Draw
Attack with Vhati
Responses/blocks/take 3?
Spidey: 20
Hand: 4
Library: 46
In Play:
(U,U,U) Swamp x3
(U,U) Forest x2
(U) Tracker (2/2, GG, T: ~ deals dmg equal to its power to target creature. That creature deals dmg equal to its power to ~)
(T) Vhati il-Dal (3/3, T: Target creature's power or toughness becomes 1 ueot)
(U) Vine Trellis (0/4, Defender, T: Add G to my mana pool)
(U) Royal Assassin (1/1, T: Destroy target tapped creature)
Graveyard: Strip Mine
RFG:
Melkor: 13
Hand: 6
Library: 49
In Play:
(T) Mountain x1
(T) Island x1
(S) Phyrexian Marauder (2/2, Can't block, comes into play with X +1/+1 counters, must pay 1 for each counter when ~ attacks)
Graveyard: Island, Inferno, Dracoplasm
RFG:
Untap, upkeep, Draw
Attack with Vhati
Responses/blocks/take 3?
Spidey: 20
Hand: 4
Library: 46
In Play:
(U,U,U) Swamp x3
(U,U) Forest x2
(U) Tracker (2/2, GG, T: ~ deals dmg equal to its power to target creature. That creature deals dmg equal to its power to ~)
(T) Vhati il-Dal (3/3, T: Target creature's power or toughness becomes 1 ueot)
(U) Vine Trellis (0/4, Defender, T: Add G to my mana pool)
(U) Royal Assassin (1/1, T: Destroy target tapped creature)
Graveyard: Strip Mine
RFG:
Melkor: 13
Hand: 6
Library: 49
In Play:
(T) Mountain x1
(T) Island x1
(S) Phyrexian Marauder (2/2, Can't block, comes into play with X +1/+1 counters, must pay 1 for each counter when ~ attacks)
Graveyard: Island, Inferno, Dracoplasm
RFG: