Ravnica Allegiance

Sphinx of the Guildpact | Artifact Creature | Sphinx | Sphinx of the Guildpact is all colors. Flying Hexproof from monocolored (This creature can't be the target of monocolored spells or abilities your opponents control.) | Milivoj Ćeran

Gate Colossus | Artifact Creature | Construct | This spell costs {1} less to cast for each Gate you control. Gate Colossus can't be blocked by creatures with power 2 or less. Whenever a Gate enters the battlefield under your control, you may put Gate Colossus from your graveyard on top of your library. | Izzy

Junktroller | Artifact Creature | Golem | Defender {T}: Put target card from a graveyard on the bottom of its owner's library. | Chris Seaman