Brackwater Elemental [Duel Decks: Ajani vs. Nicol Bolas] Elemental Soldier Flitterstep Eidolon can't be blocked

Flitterstep Eidolon can't be blocked

but my host would casually push it down before I could make out what it was

its owner may cast it without paying its mana cost

Tell you what—I'll keep your secret

Whenever Glyph Keeper becomes the target of a spell or ability for the first time each turn

Brackwater Elemental [Duel Decks: Ajani vs. Nicol Bolas] Elemental Soldier Flitterstep Eidolon can't be blockedSet: Duel Decks: Ajani vs. Nicol Bolas Type: Creature Elemental Rarity: Common Cost: {2}{U} When Brackwater Elemental attacks or blocks, sacrifice it at the beginning of the next end step. Unearth {2}{U} ({2}{U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)