Battle Cry

a creature untaps — 519 cards in the game can cause this (Battle Cry is one).

1. Fishing Pole — When a creature untaps thanks to Battle Cry, Fishing Pole triggers

an instant it makes cheaper to cast — 3,773 cards in the game can cause this.

1. Primal Amulet // Primal Wellspring — Primal Amulet // Primal Wellspring reduces what Battle Cry costs

3,772 other cards cause it too. These are the ones with the most connections.

an instant is cast — 3,931 cards in the game can cause this (Battle Cry is one).

When Battle Cry is cast:

1. Lunar Mystic — draws you 1 card
2. Ojer Pakpatiq, Deepest Epoch // Temple of Cyclical Time — grants rebound
3. Repeated Reverberation — copies an ability
4. Riku of Two Reflections — copies a spell
5. Sword of Wealth and Power — copies a spell
6. Lilah, Undefeated Slickshot — gets +1/+1
7. Gale, Waterdeep Prodigy — brings a card back
8. Harness the Storm — brings a card back
9. In the Eye of Chaos — counters a spell
10. Niblis of Frost — taps a creature an opponent controls

427 other cards care about it too. These are the ones with the most connections.

anything is cast — 31,128 cards in the game can cause this (Battle Cry is one).

When Battle Cry is cast:

1. Windrider Wizard — draws you 1 card
2. Relic Amulet — puts a charge counter on itself
3. Rockslide Sorcerer — deals 1 damage
4. Umara Wizard // Umara Skyfalls — grants flying
5. Alania, Divergent Storm — makes an opponent draw 1 card
6. Umara Mystic — gets +2/+0
7. Master of Winds — triggers

5 other cards care about it too. These are the ones with the most connections.