Boros Charm - [Foil, Extended Art] Commander Legends (CMR)Choose one Boros Charm deals 4 damage to target player or planeswalker. Permanents you control gain indestructible until end of turn. Target creature gains double strike until end of turn.

If you don't

Whenever you tap a Swamp for mana

{1}{W}: Another target creature gains lifelink until end of turn

choose a number

and furthermore

Players can add engines

look at the top X cards of your library

you may pay {G/W}

{T}: Each player gains control of all creatures they own

Each player gains 3 life

It lurks in the spaces between moments

the Great Teacher's voice will rattle this world