There are some pretty hilarious things you can do with this, like generating tons of mana via Braid of Fire or lots of draw or life loss
Ezuri, Renegade Leader gives the elves deck a win condition in the command zone, and some protection from board interaction
Terramorphic Expanse
As for cards that generate spider tokens, Arasta of the Endless Web is the most consistent and widely used, even in non-spider decks
Mardu Blazebringer Foil $0.40 Price History Your Inventory Sign in to see your inventory Data Reserved List No All Time High $0.29 All Time Low $0.10 Foil Multiplier 1.60x Spread 96.0% Buy List $0.01 Nonfoil Daily $0.00 +0% Weekly $0.00 +0% Monthly $0.00 +0% Foil Daily $0.00 +0% Weekly $0.00 +0% Monthly $0.00 +0% Other printings This is the only printing of the card Found In This print Mardu Blazebringer Creature - Ogre Warrior When Mardu Blazebringer attacks or blocks, sacrifice it at end of combat.
Suffice to say, the variants are at their best when the character is reinvented in a wondrous and unexpected way, as opposed to being given a palette swap