Brighthearth Banneret의 능력 질문

Brighthearth Banneret <P style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(250,250,250); TEXT-INDENT: 0px; MARGIN: 0.5em 0px; FONT: 13px/15px Verdana; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(68,68,68); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px; -webkit-text-size-adjust: auto">Creature - Elemental Warrior 1/1, 1R (2) <P style="PADDING-BOTTOM: 4px; WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(250,250,250); TEXT-INDENT: 0px; MARGIN: 0.5em 0px; PADDING-LEFT: 4px; PADDING-RIGHT: 4px; FONT: 13px/15px Verdana; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(68,68,68); WORD-SPACING: 0px; PADDING-TOP: 4px; -webkit-text-stroke-width: 0px; -webkit-text-size-adjust: auto" class=ctext>Elemental spells and Warrior spells you cast cost {1} less to cast.     Faultgrinder <P style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(250,250,250); TEXT-INDENT: 0px; MARGIN: 0.5em 0px; FONT: 13px/15px Verdana; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(68,68,68); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px; -webkit-text-size-adjust: auto">Creature - Elemental 4/4, 6R (7) <P style="PADDING-BOTTOM: 4px; WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(250,250,250); TEXT-INDENT: 0px; MARGIN: 0.5em 0px; PADDING-LEFT: 4px; PADDING-RIGHT: 4px; FONT: 13px/15px Verdana; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(68,68,68); WORD-SPACING: 0px; PADDING-TOP: 4px; -webkit-text-stroke-width: 0px; -webkit-text-size-adjust: auto" class=ctext>Trample When Faultgrinder enters the battlefield, destroy target land. Evoke {4}{R} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)   제가  Faultgrinder 이녀석을 이보크로 소환 할려고 하는데요.    Brighthearth Banneret 그럼 이녀석 능력으로 코스트1을 줄려 줄수 있나요?