Storm Herd

Create X 1/1 white Pegasus creature tokens with flying, where X is your life total.

Atogatog

Sacrifice an Atog creature: Atogatog gets +X/+X until end of turn, where X is the sacrificed creature's power.

Oloro, Ageless Ascetic

At the beginning of your upkeep, you gain 2 life.
Whenever you gain life, you may pay {1}. If you do, draw a card and each opponent loses 1 life.
At the beginning of your upkeep, if Oloro, Ageless Ascetic is in the command zone, you gain 2 life.

Dromar's Charm

Choose one —
• You gain 5 life.
• Counter target spell.
• Target creature gets -2/-2 until end of turn.