Kataki, War's Wage

Whenever another creature enters, you gain 1 life.

When this creature enters, target opponent reveals their hand and you choose a nonland card from it. Exile that card. When this creature leaves the battlefield, return the exiled card to its owner's hand.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Target player reveals their hand. You choose a nonland card from it with mana value 3 or less. That player discards that card.

At the beginning of your upkeep and whenever you cast a white spell, put a charge counter on this artifact. 3, T, Sacrifice this artifact: Create a 1/1 colorless Phyrexian Myr artifact creature token for each charge counter on this artifact.

White creatures you control get +1/+1.

Creature tokens you control get +1/+1 and have vigilance.

Create two 1/1 white Soldier creature tokens.