The Destined White Mage

When Silver Sable enters, put a +1/+1 counter on another target creature.

Whenever Silver Sable attacks, target modified creature you control gains lifelink until end of turn. (Equipment, Auras you control, and counters are modifications.)

Whenever this creature or another Ally you control enters, you may have Allies you control gain lifelink until end of turn, and you may put a +1/+1 counter on this creature.

Whenever another artifact you control enters, put a +1/+1 counter on this creature. If that artifact is a Contraption, this creature gains lifelink until end of turn.

Reach (This creature can block creatures with flying.)

At the beginning of combat on your turn, put a +1/+1 counter on target creature you control. It gains lifelink until end of turn. (Damage dealt by the creature also causes you to gain that much life.)

Rally — Whenever this creature or another Ally you control enters, creatures you control gain lifelink until end of turn.

Flying

Whenever this creature attacks, another target creature you control gains flying until end of turn.

Attacking tokens you control have flying.