Hero card

Manifold Mouse

Creature – Mouse Soldier

Value on arrivalDoes its thing as it enters: worth it from the first moment

Needs: Offspring / Gift, Mouse

Gives: Offspring / Gift, Attack Triggers

Not in winning lists yet: read from the card text and the graph

Build a deck with Manifold Mouse as the hero

Makes it work

Blooming Blast · Coruscation Mage · Dawn's Truce · Bilbo's Gambit · Thundertrap Trainer · Wildfire Howl · Flowerfoot Swordmaster · Intrepid Rabbit

Use instead if you don't have it

Belligerent Yearling · Swiftblade Vindicator · Eardrum Rattler · Hand That Feeds · Courageous Goblin · Flame-Chain Mauler

Cards in the meta that answer it

Requiting Hex (Dimir Aggro) · Burst Lightning (Izzet Elemental) · Countersculpt (Azorius Control) · Get Lost (Azorius Control)