You can only play this card if your Titan Guardian is “Erebus, The Unstoppable Chaos”

Target 1 warrior on the field, and the target warrior gains (Blockade), then if you do, eradicate the top 4 cards of your deck face-up.

If this card is eradicated, eradicate up to 4 “Unstoppable” Titan cards (not named “Unstoppable Momentum” in your discard pile face-up, and draw 2 cards.

You can only activate each effect of “Unstoppable Momentum” Once per turn.