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Magic: The Gathering Comprehensive Rules Changes

Morningtide to Shadowmoor (Single Change View)

General changes

Old rule (Morningtide) New rule (Shadowmoor)

212.3f.

A creature's activated ability with the tap symbol in its activation cost can't be played unless the creature has been under its controller's control since the start of his or her most recent turn. A creature can't attack unless it has been under its controller's control since the start of his or her most recent turn. This rule is informally called the "summoning sickness" rule. Ignore this rule for creatures with haste (see rule 502.5).

212.3f.

A creature's activated ability with the tap symbol or the untap symbol in its activation cost can't be played unless the creature has been under its controller's control since the start of his or her most recent turn. A creature can't attack unless it has been under its controller's control since the start of his or her most recent turn. This rule is informally called the "summoning sickness" rule. Ignore this rule for creatures with haste (see rule 502.5).