Legacy, "combat damage step" (3)
, : Prevent all combat damage that would be dealt this turn. Activate only before the combat damage step.
Cast this spell only before the combat damage step.
Target creature gains trample and gets +X/+0 until end of turn, where X is its power. At the beginning of the next end step, destroy that creature if it attacked this turn.
Target attacking or blocking creature gets +4/+0 until end of turn. Destroy that creature at the beginning of the next end step.
Gatherer works better in the Companion app!