mtg you may play cards from your graveyard Rules Text: Instant, graveyard, play, 30 Legal in Standard, Rules Text:

However, other effects that reference the permanent (including effects with unlimited duration) can affect the permanent when it returns to play

Cyclopean Giant Diregraf Colossus Gangrenous Goliath Grixis Slavedriver Helldozer Lotleth Giant Morkrut Behemoth Necrosavant Nightfire Giant Rotting Giant Sludge Titan Vogar, Necropolis Tyrant Writhing Necromass Zombie Goliath

This is handy if you're trying to figure out what the card is, as well

However fair this card was intended to be, merciless deck builders know the true puzzle here is how to make your opponents choice irrelevant

Dragonbroods' Relic - A mana rock that requires you to tap a creature to use it