Aragorn, the Uniter

Whenever you cast a historic spell, create a 1/1 white Soldier creature token. (Artifacts, legendaries, and Sagas are historic.)

Whenever Alistair attacks, you may pay . If you do, creatures you control get +X/+X until end of turn, where X is the number of historic permanents you control.

Whenever you cast a Dog spell, create a 1/1 green Cat creature token.

Whenever you cast a Cat spell, create a 1/1 white Dog creature token.

, : Rin and Seri deals damage to any target equal to the number of Dogs you control. You gain life equal to the number of Cats you control.

Whenever you attack, you may sacrifice another creature. When you do, choose two —

• Create two 1/1 red and white Soldier creature tokens with haste that are tapped and attacking.

• You draw a card and you lose 1 life.

• Caesar deals damage equal to the number of creature tokens you control to target opponent.

When Breya enters, create two 1/1 blue Thopter artifact creature tokens with flying.

, Sacrifice two artifacts: Choose one —

• Breya deals 3 damage to target player or planeswalker.

• Target creature gets -4/-4 until end of turn.

• You gain 5 life.

Whenever you cast a multicolored spell, this creature gets +3/+3 until end of turn.

Whenever one or more creatures you control that entered this turn deal combat damage to a player, create a 5/5 red Dragon Spirit creature token with flying.

: Creatures you control gain haste until end of turn.