Infinite Attacks

Each land is a Swamp in addition to its other land types.

All Swamps are 1/1 black creatures that are still lands.

Creatures don't untap during their controllers' untap steps. Whenever a creature enters, untap all creatures.

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.) Equip

Whenever this creature becomes tapped, you may create a 1/1 blue Merfolk Wizard creature token.

Flying, haste Whenever this creature attacks, you may pay . If you do, untap all attacking creatures and after this phase, there is an additional combat phase.