Keeper of the Light

When this creature enters, choose one —

• You gain 2 life.

• Target opponent loses 2 life.

: Target creature gains lifelink until end of turn.

: Whenever you gain life this turn, each opponent loses that much life.

As long as you have more cards in hand than each opponent, this creature gets +1/+2 and has "Whenever this creature deals combat damage, you gain 3 life."

When this creature enters, choose one —

• Tax — Until your next turn, spells your opponents cast cost more to cast.

• Arrest — Detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

When this creature enters, you gain 2 life for each black and/or red creature target opponent controls.

Whenever you gain life, you may pay . If you do, put a +1/+1 counter on target creature.