Echoing Equation

Echoing Equation // Echoing Equation

The Pride of Hull Clade

This spell costs {X} less to cast, where X is the total toughness of creatures you control.
Defender
{2}{U}{U}: Until end of turn, target creature you control gets +1/+0, gains "Whenever this creature deals combat damage to a player, draw cards equal to its toughness," and can attack as though it didn't have defender.

Expedited Inheritance

Whenever a creature is dealt damage, its controller may exile that many cards from the top of their library. They may play those cards until the end of their next turn.

Doorkeeper Thrull

Flash
Flying
Artifacts and creatures entering don't cause abilities to trigger.

Aurelia's Vindicator

Flying, lifelink, ward {2}
Disguise {X}{3}{W}
When Aurelia's Vindicator is turned face up, exile up to X other target creatures from the battlefield and/or creature cards from graveyards.
When Aurelia's Vindicator leaves the battlefield, return the exiled cards to their owners' hands.