Spiteful Sliver (MH1-148) - Modern Horizons
NOT LEGAL
StandardNOT LEGAL
FutureLEGAL
HistoricLEGAL
TimelessLEGAL
GladiatorNOT LEGAL
PioneerNOT LEGAL
ExplorerLEGAL
ModernLEGAL
LegacyNOT LEGAL
PauperLEGAL
VintageLEGAL
PennyLEGAL
CommanderLEGAL
OathbreakerNOT LEGAL
StandardbrawlLEGAL
BrawlNOT LEGAL
AlchemyNOT LEGAL
Pauper CommanderLEGAL
DuelNOT LEGAL
OldschoolNOT LEGAL
PremodernNOT LEGAL
PredhSliver creatures you control have "Whenever this creature is dealt damage, it deals that much damage to target player or planeswalker."