{5}, {T}: Add five mana in any combination of colors.
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Darksteel Citadel
Artifact Land
Indestructible
{T}: Add {C}.
--
Flagstones of Trokair
Legendary Land
{T}: Add {W}.
When Flagstones of Trokair is put into a graveyard from the battlefield, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.
{2}{R}{W}
Tajic, Blade of the Legion
Legendary Creature - Human Soldier
Indestructible
Battalion -- Whenever Tajic, Blade of the Legion and at least two other creatures attack, Tajic gets +5/+5 until end of turn.
2 /
2
{5}
Worldslayer
Artifact - Equipment
Whenever equipped creature deals combat damage to a player, destroy all permanents other than Worldslayer.
Equip {5} ({5}: Attach to target creature you control. Equip only as a sorcery.)