Flash Flying When Angel of Grace enters, until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead. {4}{W}{W}, Exile Angel of Grace from your graveyard: Your life total becomes 10.
"What makes a frog lizard any worse than a bird horse? Prejudice against the Simic, that's what. It's unfair!" —Thados Arquef, Guardian Project biomancer
When Forbidding Spirit enters, until your next turn, creatures can't attack you or planeswalkers you control unless their controller pays {2} for each of those creatures.
Vigilance When Lumbering Battlement enters, exile any number of other nontoken creatures you control until it leaves the battlefield. Lumbering Battlement gets +2/+2 for each card exiled with it.
Flash Enchant creature Enchanted creature gets +1/+2 and has vigilance. Addendum — When Sentinel's Mark enters, if you cast it during your main phase, enchanted creature gains lifelink until end of turn.