Echo is a triggered ability. “Echo [cost]” means “At the beginning of your upkeep, if this permanent came under your control since the beginning of your last upkeep, sacrifice it unless you pay [cost].”
July 13, 2013 · Magic 2014
Horsemanship is an evasion ability.
September 30, 2011 · Innistrad
Fading is a keyword that represents two abilities. "Fading N" means "This permanent enters the battlefield with N fade counters on it" and "At the beginning of your upkeep, remove a fade counter from this permanent. If you can't, sacrifice the permanent."
June 17, 2011 · Commander 2011
Fading is a keyword that represents two abilities. “Fading N” means “This permanent
April 1, 2011 · Duel Decks: Knights vs. Dragons
Kicker is a static ability that functions while the spell with kicker is on the stack. "Kicker [cost]" means "You may pay an additional [cost] as you cast this spell." Paying a spell's kicker cost(s) follows the rules for paying additional costs in rules 601.2b and 601.2e-g.
February 4, 2011 · Mirrodin Besieged
Kicker is a static ability that functions while the spell with kicker is on the stack. “Kicker [cost]” means “You may pay an additional [cost] as you cast this spell.” Paying a spell’s kicker cost(s) follows the rules for paying additional costs in rules 601.2b and 601.2e–g.
October 1, 2010 · Scars of Mirrodin
Kicker is a static ability that functions while the spell with kicker is on the stack. “Kicker
February 1, 2010 · Worldwake
Kicker is a static ability that functions while the spell with kicker is on the stack. "Kicker [cost]" means "You may pay an additional [cost] as you cast this spell." Paying a spell's kicker cost(s) follows the rules for paying additional costs in rules 601.2b and 601.2e-g.