Types

Summoners for Tanking:

Saheeli, Sublime Artificer
Third Path Iconoclast
Young Pyromancer
Geralf, the Fleshwright
Talrand, Sky Summoner

-

Haste for OTK:

Bloodlust Inciter
Goblin Motivator
Swiftfoot Boots
Crimson Wisps
Footfall Crater
Need for Speed

-

Mana saver for OTK:

Storm-Kiln Artist
Leyline Tyrant

Combos

Note:
1)For all combos, you must have a way to give haste to Stella Lee, Wild Card.
If you don't, you can play her the turn before the combo; ONLY IF:
-You have counterspells
-You have some mana ready
-You have some creatures to prevent death after 3 battles.

2)Cast Defense Grid at the start of your combo turn if it's in your hand.

3)Keep some counters for your combo turn, and plan enought mana to use it in addition to the combo mana cost.

4)To prevent counter during combo turn, play Chimil, the Inner Sun the turn before or earlier if it's in your hand.

Gold Rush: min 9 - 15 ManaCost

Stella Lee, Wild Card
+
Any cheap spell (Counter, Poke, Haste boost...)
+
Cerulean Wisps || Refocus || Twitch
+
Tap Stella Lee, Wild Card for DrawDeck combo
+
IF NEED MANA-> Dramatic Reversal || Hidden Strings (must have ManaRamp Artifacts for Dramatic Reversal combo)
+
Twisted Fealty || Bond of Passion
+
Tap Stella Lee, Wild Card for 1M copy combo

-

Gatling gun: min 6 ManaCost

ALREADY THERE or +4 ManaCost-> Ral, Storm Conduit
+
Stella Lee, Wild Card
+
Any cheap spell (Counter, Poke, Haste boost...)
+
Dramatic Reversal || Hidden Strings
+
Tap Stella Lee, Wild Card for 1M copy combo

-

Dynamite: min7 - 10 ManaCost

Stella Lee, Wild Card
+
Any cheap spell (Counter, Poke, Haste boost...)
+
Twisted Fealty || Bond of Passion
+
Tap Stella Lee, Wild Card for 1M copy combo