March of the Machine

Elspeth's Smite | Instant | | Elspeth's Smite deals 3 damage to target attacking or blocking creature. If that creature would die this turn, exile it instead. | Livia Prima

Surge of Salvation | Instant | | You and permanents you control gain hexproof until end of turn. Prevent all damage that black and/or red sources would deal to creatures you control this turn. | Dominik Mayer

Corrupted Conviction | Instant | | As an additional cost to cast this spell, sacrifice a creature. Draw two cards. | Joseph Weston

Mirrodin Avenged | Instant | | Destroy target creature that was dealt damage this turn. Draw a card. | Scott Murphy

Coming In Hot | Instant | | Target creature gets +1/+0 and gains first strike until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.) | Cristi Balanescu

Arachnoid Adaptation | Instant | | Target creature gets +2/+2 and gains reach until end of turn. Untap it. | Isis

Seed of Hope | Instant | | Mill two cards. You may put a permanent card from among the milled cards into your hand. You gain 2 life. (To mill two cards, put the top two cards of your library into your graveyard.) | Gaboleps