Combos Utilizing Forgotten-Ancient

cast frog tongue. draw card (due to tongue) & put +1/+1 counter on ancient. instead of drawing a card (due to enchantress), return frog tongue to your hand. repeat

have spikeshot & ancient in play. damage opponent with spikeshot. cast war elemental. move counters from ancient to spikeshot. ping opponent again with spikeshot. add +1/+1countes to elemental.

move +1/+1 counter from forgotten ancient to mindwarper. use that counter to & pay 2b to make opponent discard a card.

move +1/+1 counter from forgotten ancient to the rock hydra. use that counter to prevent damage to it

move +1/+1 counter from forgotten ancient to the spitting hydra. remove that counter to do 1 damage to target creature.

cast briar shield. add +1/+1 counter on ancient. instead of drawing a card (due to enchantress), return briar shield to your hand. repeat. attack with enchanted creature if you feel like it

cast elven palisade. put +1/+1 counter on ancient. instead of drawing a card (due to enchantress), return elven palisade to your hand. repeat

cast elven fortress. put +1/+1 counter on ancient. instead of drawing a card (due to enchantress), return elven fortress to your hand. repeat

enchant ancient with rancor & put +1/+1counter on ancient. sac rancor to healer to gain 4 life. repeat and in a few turns you will have lots of life & ancient will be huge

blow the counters off decree onto either saprazzan skerry or forgotten ancient so unlimited mana and counters