If Leyline of Sanctity is in your opening hand, you may begin the game with it on the battlefield.You have hexproof. (You can't be the target of spells or abilities your opponents control.)
Changeling (This card is every creature type.)Until end of turn, target creature has base power and toughness 4/4, gains all creature types, and gains flying.
Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
( can be paid with either or 2 life.)Target artifact or creature you control gains protection from artifacts or from the color of your choice until end of turn.
FlyingExalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)Whenever a creature you control attacks alone, it gains lifelink until end of turn.
Chimeric Mass enters with X charge counters on it.: Until end of turn, Chimeric Mass becomes a Construct artifact creature with "This creature's power and toughness are each equal to the number of charge counters on it."
When Ghost Council of Orzhova enters, target opponent loses 1 life and you gain 1 life., Sacrifice a creature: Exile Ghost Council of Orzhova. Return it to the battlefield under its owner's control at the beginning of the next end step.