Order of Leitbur

Protection from black
{W}: This creature gains first strike until end of turn.
{W}{W}: This creature gets +1/+0 until end of turn.

Clergy of the Holy Nimbus

If this creature would be destroyed, regenerate it.
{1}: This creature can't be regenerated this turn. Only your opponents may activate this ability.

{G}, {T}: Target creature gets +1/+1 until end of turn.
{U}, {T}: Put target creature you control on top of its owner's library.

{G}{W}{U}, {T}: Regenerate target creature.

Flying
Players play with their hands revealed.