Phyrexian Devourer
{6}
Artifact Creature -- Phyrexian Construct
1/1
When ~this~'s power is 7 or greater, sacrifice it.
Exile the top card of your library: Put X +1/+1 counters on ~this~, where X is the exiled card's mana value.
Thought Lash
{2}{U}{U}
Enchantment
Cumulative upkeep--Exile the top card of your library. (At the beginning of your upkeep, put an age counter on ~this~, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When a player doesn't pay ~this~'s cumulative upkeep, that player exiles all cards from their library.
Exile the top card of your library: Prevent the next 1 damage that would be dealt to you this turn.