Arguels Blood Fast

“1B, Pay 2 life: Draw a card. <br> At the beginning of your upkeep, if you have 5 or less life, you may transform Arguel's Blood Fast. <br>//<br> <strong>Temple of Aclazotz</strong> <br> <em>(Transforms from Arguel's Blood Fast.)</em> <br> T: Add B to your mana pool. <br> T, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.”