Planar Portal is probably the most useful card for this deck.
I can't really think of much better stuff to throw in this deck without looking at Eldrazi cards. And in my playing circle we've banned them because Annihilator is just too powerful of an effect.
There's a slight focus on charge counters.
Karn, Silver Golem + Mycosynth Lattice is a wonderful way to clear your opponents' lands off the board.
Karn, Silver Golem/Toymaker + Voltaic Construct + Grim Monolith/Basalt Monolith/Thran Dynamo/Gilded Lotus/Dreamstone Hedron can get you infinite mana.
Once you have an Infinite Mana combo out, Whetwheel is an easy win, or you can get infinite turns with Magistrate's Scepter, or a hundred 100/100 creatures with Riptide Replicator.
Magistrate's Scepter can also get infinite turns with Coretapper, Sculpting Steel, and Energy Chamber out at the same time.
Planar Portal is probably the most useful card for this deck.
I can't really think of much better stuff to throw in this deck without looking at Eldrazi cards. And in my playing circle we've banned them because Annihilator is just too powerful of an effect.
1 Karn, Silver Golem
Creatures
2 Coretapper
3 Epochrasite
4 Jhoira's Toolbox
5 Toymaker
6 Scarecrone
7 Arcbound Reclaimer
8 Lodestone Golem
9 Voltaic Construct
10 Stuffy Doll
11 Beast of Burden
12 Duplicant
13 Mirror Golem
14 Sundering Titan
15 Teeka's Dragon
16 Darksteel Colossus
17 Mycosynth Golem
18 Junk Diver
19 Myr Retriever
Artifacts
20 Tormod's Crypt
21 Orochi Hatchery
22 Chalice of the Void
23 Æther Vial
24 Pithing Needle
25 Sensei's Divining Top
26 Voltaic Key
27 Energy Chamber
28 Power Conduit
29 Scroll Rack
30 Cloud Key
31 Oblivion Stone
32 Sculpting Steel
33 Darksteel Reactor
34 Nevinyrral's Disk
35 Riptide Replicator
36 Thought Dissector
37 Vedalken Orrery
38 Whetwheel
39 Mind's Eye
40 Memory Jar
41 Citanul Flute
42 Thought Prison
43 Mycosynth Lattice
44 Planar Portal
45 Darksteel Forge
46 Magistrate's Scepter
47 Shell of the Last Kappa
48 Sword of Fire and Ice
49 Sword of Light and Shadow
50 Whispersilk Cloak
51 Shield of Kaldra
52 Worldslayer
53 Tatsumasa, the Dragon's Fang
Mana Makers
54 Everflowing Chalice
55 Mana Vault
56 Sol Ring
57 Doubling Cube
58 Grim Monolith
59 Mind Stone
60 Basalt Monolith
61 Coalition Relic
62 Thran Dynamo
63 Gilded Lotus
64 Dreamstone Hedron
Land
65 Blasted Landscape
66 Blinkmoth Nexus
67 Blinkmoth Well
68 Crystal Vein
69 Darksteel Citadel
70 Desert
71 Dread Statuary
72 Gargoyle Castle
73 Ghost Town
74 Gods' Eye, Gate to the Reikai
75 Hall of the Bandit Lord
76 High Market
77 Library of Alexandria
78 Maze of Shadows
79 Mikokoro, Center of the Sea
80 Petrified Field
81 Quicksand
82 Reliquary Tower
83 Springjack Pasture
84 Stalking Stones
85 Strip Mine
86 Tectonic Edge
87 Terrain Generator
88 Tower of the Magistrate
89 Unstable Frontier
90 Urza's Factory
91 Urza's Mine
92 Urza's Power Plant
93 Urza's Tower
94 Wasteland
95 Winding Canyons
96 Zoetic Cavern
97 Miren, the Moaning Well
98 Mirrodin's Core
99 Mishra's Factory
100 Mutavault
If I WERE using Eldrazi cards.
In:
All Is Dust
Eldrazi Conscription
Artisan of Kozilek
Emrakul, the Aeons Torn
It That Betrays
Kozilek, Butcher of Truth
Ulamog, the Infinite Gyre
Out:
Beast of Burden
Mirror Golem
Epochrasite
Jhoira's Toolbox
Stuffy Doll
Æther Vial
Doubling Cube