Mages' Contest [INV - 154] Printing:Normal Undercity Sewers enters the battlefield

Undercity Sewers enters the battlefield tapped

Rules Text Contains: White spells you cast cost 1 less to cast

When Thundering Falls enters the battlefield

1 16-page reference booklet

you may cast a copy of a spell with that name

Mages' Contest [INV - 154] Printing:Normal Undercity Sewers enters the battlefieldRarity: R #: 154 Creature Type or Sub Type: Instant Rules Text Contains: You and target spells controller bid life. You start the bidding with a high bid of 1. In turn order, each player may top the high bid. The bidding ends when the high bid stands. The highest bidder loses life equal to the high bid. If you win the bidding, counter that spell.