Combos Utilizing Marsh-Viper

put the viper, enchant with fire whip, put down the instill energy = 4 poison counters every turn!!!!

Fountain watch protects the enchantments of diplomatic immunity and cloak of mists. Because viper is unblokable and unkillable, you've won!

put regen on the elf, and attack with both... all creatures block the elf and opponent gets 2 poison counters

put psionic gift and instill energy on marsh viper to give 2 point and 4 poison counters each turn and skybreak untaps an extra time for 3 damage ad 6 poison counters

enchant the viper with the dagger. tap give an opponent 2 poison counters and draw a card. discard to mind over matter to untap the viper and repeat.

Tap Dwarven Warriors to make Marsh Viper unblockable. When it attacks and isn't blocked, put 2 poison counter on opponent. 8 more poison counters and you win the game.

Tap Zhuge Jin, Wu Strategist to make Marsh Viper unblockable. When it attacks and isn't blocked, put 2 poison counter on opponent. 8 more poison counters and you win the game.

put the hermetic study & the curiosity on the marsh viper. deal the damage, draw the card, discard to untap and repeat. 10 poison counters quick and fast!

throw down a viper then give it psionic gift; hit your opponent for a poison counter then untap with seeker to do it again! 4 counters a turn!

enchant viper with whip. during your turn; ping opponent-2 poision counters; use ranger's ability to untap viper ping opponent again. 2 more poison counters. repeat during opponent's turn