Diabolic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Ajani's Welcome

Whenever a creature enters the battlefield under your control, you gain 1 life.

Whenever you gain life, you may pay {2}. If you do, draw a card.
{3}{W}: Create a 1/1 white Soldier creature token with lifelink.

{1}{W}{B}: Target creature gains lifelink until end of turn.
{1}{W}{B}: Whenever you gain life this turn, each opponent loses that much life.

Flying
Whenever you gain life, put a +1/+1 counter on Bloodthirsty Aerialist.

Whenever another creature enters the battlefield under your control, you gain 1 life.

Vigilance
Whenever a white creature you control attacks, you gain 1 life.

Flying
At the beginning of your upkeep, each opponent loses 1 life and you gain 1 life.

Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate.

Target creature gets +2/+2 until end of turn. Put a flying counter on it.

Equipped creature has vigilance, trample, and haste.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)