
Enchantment
Whenever a creature you control enters, put a +1/+1 counter on each creature you control.

Doubles token creation, multiplying creature ETBs that trigger Crusade.

Another payoff for creatures entering, dealing damage per ETB.

Static anthem for token-heavy white go-wide strategies.

Cheap anthem-style buff for wide creature boards.

Counter/token engine triggered by landfall, similar +1/+1 payoff.

Amplifies the +1/+1 counters Crusade distributes.

Doubles the counters placed by Cathars' Crusade triggers.
→ Infinite +1/+1 counters on most creatures you control, Infinite ETB, Infinite LTB
→ Infinite +1/+1 counters on most creatures you control, Infinite ETB, Infinite LTB
→ Infinite +1/+1 counters on most creatures you control, Infinite ETB, Infinite LTB
→ Infinite colorless mana, Infinite creature tokens, Infinite death triggers
→ Infinite creature tokens, Infinite ETB, Infinite +1/+1 counters on creatures you control
→ Infinite +1/+1 counters on most creatures you control, Infinite ETB, Infinite LTB
The creature that entered and caused the ability to trigger will also get a +1/+1 counter, provided it's still on the battlefield when the ability resolves.