Secret Lair Drop

Artifact

{2}, {T}: Target creature you control phases out. (Treat it and anything attached to it as though they don't exist until your next turn.)

Haystack

Copy

Blade of Selves

Artifact — Equipment

Equipped creature has myriad. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)
Equip {4}

Equipped creature gets +1/+1 for each color among permanents you control.
As long as this Equipment is attached to a creature, your opponents can't cast spells during your turn.
Equip {2}

Conqueror's Flail

Darksteel Hydra

Indestructible
Equipped creature has indestructible.
Equip {2}

Darksteel Plate

Equipped creature gets +2/+2.
Whenever equipped creature dies, you may put a creature card from your hand onto the battlefield and attach this Equipment to it.
Equip {2}

Deathrender

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip {2}