Artifact
Whenever a artifact creature leaves the battlefield, put a charge counter on ~this~
1U, Tap an untapped Myr you control, remove any number of charge counters from ~this~: tap up to that many target Myr
1U, T, remove a charge counter from ~this~: target multicoloured creature can't be blocked except by Myr until end of turn
All untapped artifacts gain ''protection from creatures with vanishing''

Converted mana cost: 2

AlexChurchill/TypeFourArtifactGenerator